485 Answered Questions for the topic Precalculus Homework

Precalculus Homework Word Problem Help

01/26/15

Why do I need to find a derivative? What exactly is a derivative?
Charlie Cardinal’s Athletic Boosters are buying popcorn. The vendor agreed to sell the Boosters a box filled with popcorn, provided that the box met the following requirements: Its length is 10 cm... more
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Precalculus Homework

01/26/15

You invested $6000 at 4.5% and 5.5% simple interest. During the first year, the two accounts earned $305. How much did you invest in each fund?
You invested $6000 at 4.5% and 5.5% simple interest. During the first year, the two accounts earned $305. How much did you invest in each fund? (Note: the 5.5% account is more risky.)
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Precalculus Homework Precalculus

01/25/15

Express the function F in the form f o g
Express the function F in the form f o g .  Use non-identity functions for f(x) and g(x).)   F(x) = (x − 6)8   (f(x), g(x)) = ?  
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Precalculus Homework Precalculus

01/25/15

Difference quotient question
Find f(a), f(a + h), and the difference quotient f(a + h) − f(a) ----------------         h, where h ≠ 0.   f(x) = x2 + 3     Find f(a)= f(a+h)= f(a + h) − f(a)       =----------------  ... more
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Precalculus Homework Precalculus Precalculus Honors

01/22/15

Annual Percentage Yield on an account paying 6% interest
Its compounded quarterly
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Precalculus Homework Precalculus Precalculus Honors

01/22/15

solve equation exactly (real numbers if possible, leave in logarithmic form if not)
[(4x-4-x)⁄3]=2 
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Precalculus Homework Precalculus Precalculus Honors

01/22/15

Solve each equation exactly (answer as real #, or leave in log form)
Log3(5x+2)-log9(16x2)=3 
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Precalculus Homework Precalculus

01/21/15

8^x+1 = 4•6^x
We have to solve it for a real number and if not we are supposed to leave it in logarithmic form 
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Precalculus Homework Precalculus Precalculus Honors

01/21/15

(5x-2)^4/3 = 625
Solve each equation exactly (answer as real number if possible, if not leave in logarithmic form) 
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Precalculus Homework

01/13/15

Find a positive and negative angle that is coterminal with the given angle. Use units given
5pi/4   3pi/2
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Precalculus Homework

12/16/14

What are the possible rational zeroes
F(x) = 5x3 + 18x2 + 29x - 15
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Precalculus Homework Precalculus Final

12/16/14

Write a polynomial with zeros of 4, -1, 0.
I forgot how to do this. I just need help. So how would I do this problem??  
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Precalculus Homework Math Algebra 2 Precalculus

12/13/14

If sin ? = -2/3, which of the following are possible?
18. If sin θ =4/5 and is in quadrant 2, the value of tan θ is _-4/3____. <---- my answer. is it correct?   3. If sin θ = -2/3, which of the following are possible? Check all that apply.cos θ =... more
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Precalculus Homework Algebra 2 Prealgebra Precalculus

12/13/14

Which of the following functions have a domain of (-8, 8) and a range of (-2, 8)?
3. Which of the following statements are true? Check all that apply. A. F(x)=1/2 (3)√(x-2) has the same domain and range as f(x)= 3√x. (the three goes on the hook of the square root symbol on both... more
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12/11/14

Circle and Triangle Question... (A triangle is inside of a circle)
A circle has a diameter AC of 10 inches. The chord AB is 8 inches long. What is the area of the region outside the triangle but inside the circle? (Triangle ABC is a right triangle.)   Please... more
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Precalculus Homework Precalculus Functions College

12/11/14

Find f(x+h) given the function...
If f(x)=x+3, what is ((f(x+h)-f(x)/h))??   Please show the steps taken in order to get the answer. The following choices are provided for answers: A.) f B.) (h+6/h) C.) 0 D.) 1
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12/11/14

Triangle Angle of Elevation Problem...
The Sears Tower in Chicago is 1,454 feel tall and is located about 1 mile inland from the shore of Lake Michigan. An observer in a rowboat on the lake measures the angle of elevation to the top of... more
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12/11/14

Solve the following triangles. Show all steps involved for each to get the answer.
A.) a=3, b=4, Angle C=53 degrees B.) b=125, c=162, Angle B=40 degrees C.) a=73.5, Angle B=61 degrees, Angle C=83 degrees D.) a=100, b=80, Angle A=135 degrees E.) b=25, c=30, Angle B=25... more
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12/11/14

What is the area of the triangle?
What is the area of triangle ABC if the measure of angle A is 50 degrees, the measure of angle B is 30 degrees, and a is one meter? Round your answer to two decimal places.   Please show the... more
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Precalculus Homework Precalculus College

12/11/14

Triangle Question..
A ladder is leaning against a building. The base of the ladder is 6 feet away from the building, and the angle formed by the ladder and the ground is 73 degrees. To the nearest tenth of a foot, how... more
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Precalculus Homework Precalculus Math Help College

12/11/14

Area of the region of the wiper?
The top of a windshield wiper blade is 34 inches from the pivot point, while the bottom of the blade is 14 inches from the pivot point. The wiper sweeps through an angle of 135 degrees. To the... more
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Precalculus Homework Math Precalculus Triangles

12/11/14

A triangle has a=80 inches and b=100 inches. If the measure of angle A is 135, what is the length of c to the nearest inch?
Please show the steps to get the answer. The following choices were provided for answers: A.) 23 inches B.) 32 inches C.) 128 inches D.) None of the above
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Precalculus Homework Precalculus College Triangles

12/11/14

A triangle has a=5 meters, b=12 meters, and c=13 meters. to the nearest tenth of a degree, what is the measure of angle B?
Please show the steps taken to find the answer. The following choices are provided for answers: A.) 22.6 B.) 24.6 C.) 67.4 D.) None of the above
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Precalculus Homework

12/11/14

The radioactive substance krypton-91 has a very short half-life of about 10 seconds. What is the decay constant for this substance?
I've been struggling with this question for about two days now. I'm not understanding what information I have and what equation to put it into..
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Precalculus Homework Precalculus Minimum Cost

12/10/14

Precal-Minimum
An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650... more
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