1,067 Answered Questions for the topic Algebra Help

Algebra Help

05/18/14

f(x)=-6x-1 and g(x)=4x^2 select the solution for (f+g)(x)
possible answers are   a. -6x-1+4x^2 b. -24x^3-4x^2 c. -24x^2-1 d. -6x-1-24x^2
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05/18/14

The radioactive gas radon has half life of approximately 3.5 days. About how much of a 100g sample will remain after one week?
you have to chose one of these equations A=P(1+r/n)nt N=N0(1/2)t/h
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Algebra Help Algebra

05/18/14

[f(x)=-6x-1 g(x) =4x^2] solve for (f+g)(x)
F(x) =-6-1   g(x) = 4x^2     solve for (f+g)(x) using the same : f(x) = -6x-1  and g(x) = 4x^2 it then it asks to solve for (fg)(x) I get confused when trying to solve this because when I go to... more
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05/18/14

One isotope of chromium has a half life of 18 hours. How long does it take 100 grams to decay to 20 grams?
You have to solve by Using  N=N0(1/2) t/h
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05/18/14

You have a 1000 to invest in an account with a rate of 8% compounded semi annually. How long will it take you to double your money?
How can you solve this question with these formulas  A=P(1+r/n)nt N=N0(1/2) t/h
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Algebra Help

05/18/14

how do you simplify exponents?
for example here are some of the questions I got and I have no idea how to simplify   Simplify:   1. 10-2   2. -3-2   3. 1     -     3-2   4. (-20)3   5. 2x2 X 3x   could you show... more
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05/10/14

Grade problem
The percentage score on a test varies directly as the number of correct responses. Ted answered 44 questions correctly and earned a score of 55%. What would Ted’s percentage score have been if he... more
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05/10/14

degree help
A can of soda at 83° F. is placed in a refrigerator that maintains a constant temperature of 37° F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t)... more
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05/10/14

polynomial help
Consider the polynomial P(x), shown in both standard form and factored form. P(x)=−1/3 x^4 −1/3 x^3 +7/3 x^2 +1/3 x−2=−1/3 (x+3)(x+1)(x−1)(x−2)    State the zeros of the function.   State the... more
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05/09/14

Simplify show some work please and thank you
(-5ab4)3a-3b6     b-2   Simplify and show work  
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05/09/14

exact solution help
Find the exact solution simplify as much as possible and show work    5x2+1=4x
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05/09/14

point problems
1) point (7,-6) and (9,4) are end points of the diameter of a circle. a) What is the length of the diameter? give the exact answer simplify as much as possible show work. b) What is the center of... more
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05/09/14

inverse function help
Given the function  f(x)=  1  x - 6 find a formula for the inverse function and show work            5
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Algebra Help Algebra 1 Functions

05/09/14

let f(x) =4x^2-6
Let f(x)=4x2-6 and g(x)=x-2 a) Find the composite function (f o g)(x) and simplify it (show work) b) Find (f o g) (-1). Show work 
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05/09/14

word problems
1)Donut Delights, Inc. has determined that when x donuts are made daily, the profit P is given by   P(x)=-0.002x2+4.3x-130   a) How is the company's profit if 700 donuts are mad daily? b) How... more
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Algebra Help Algebra 1 Math Help

05/09/14

please help
Solve and show work   x-6  +     16       = 0 x-4      x2-16
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Algebra Help Functions College Algebra

05/08/14

Function help
A cost-benefit function C computes the cost, in millions of dollars, of implementing a city recycling project where x percent of the citizens participate, where. C(x)=x/100-x a) If 75 percent... more
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Algebra Help

05/07/14

Finding the length of the other leg
Question #1-The hypotenuse of a right triangle is 22 feet, and one of its legs is 17 feet. Find the length of the other leg. Round to the nearest tenth.   Question #2- A utility pole 8 meters... more
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Algebra Help

05/07/14

Finding the scale factor from endpoints
Segment M'N' is a dilation of segment MN. The endpoints of MN are M(2,5) and N(8,0) and the endpoints of M' N' are M' (5,12.5) and N' (20,0). Find the scale factor of the dilation and classify it... more
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05/07/14

Graph f(x)
How can the graph f(x)=0.3|x-6|+7 be obtained from the graph of y=|x|?   a) Shift it horizontally 3 units to the left. Shrink it vertically by a factory of 0.6. Shift it 7 units upward b) Shift... more
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05/07/14

functions question
Let f(x)=3x-1 and g(x)=x^2+4   find (f g)(-2)
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05/07/14

two word problems
  1)A car company charges $31 per day to rent a particular type of car and $0.16 per mile. Juan is charged $47.96 for a one day rental. How many mile did he... more
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05/07/14

word problem library
The number o books in a small library increase according to the function B=6,700e0.03t, where t is the measure of years. How many books will the library have after 2 year(s)?   a) 7,693 b)... more
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Algebra Help

05/06/14

Square feet
I'm going to lay a new carpet in my office. It is rectangular in my room is 21 x 15. How many square feet a carpenter I need to buy? I will need to use a formula: area of a rectangle
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05/05/14

critical values
List the critical values of the related function. Then solve the inequality and show work.         5x        <0    x  +  1
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