4,335 Answered Questions for the topic College Algebra

College Algebra

09/30/20

college algebra word problem

In the formula A = πr2, if r is tripled, what is the effect on A?
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College Algebra

09/30/20

college algebra word problem

Evaluate the expression, given functions f and g: f(x) = 3x − 2, g(x) = 5 − x2. 3f(1) − 4g(−2)
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College Algebra

09/30/20

college algebra word problem

Let f(x) = 7x − 18. What ordered pair in f corresponds to the equation f(x) = 3? Recall y = f(x).
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College Algebra

09/30/20

college algebra word problem
If f(x) = x^2 + 4x + 3, what is f(x + 3)? (Simplify your answer completely.)
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College Algebra

09/30/20

college algebra word problem
Find f(a + 1).f(x) = x^2 + 7
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College Algebra Math Algebra 1 Algebra

09/30/20

Lines PQ and RS are perpendicular. Find x. P(1, −3); Q(3, 3); R(x, 6); S(8, 5) x =

Lines PQ and RS are perpendicular. Find x.P(1, −3); Q(3, 3); R(x, 6); S(8, 5)x =  
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College Algebra

09/30/20

College Algebra

A rancher needs to enclose two adjacent Rectangular corrals, One for cattle and one for sheep. If the river forms one side of the corrals and 360 yd of fencing is available, find the largest total... more
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College Algebra Math Algebra 1 Algebra 2

09/30/20

Find the slopes of lines PQ and PR.

Find the slopes of lines PQ and PR. (Assume a ≠ −b.)P(a, a + b); Q(a + b, b); R(a − b, a)slope of PQ _______slope of PR________
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College Algebra

09/30/20

College Algebra
Aki’s Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycles is given by C(x)= 0.1x^2-1.3x+10.533, where C(x) is in hundreds of dollars. How many... more
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College Algebra Algebra

09/29/20

How would I answer this question?
The alligator was the subject of a protection program, the formula P = -10x2 + 475x + 3500 models the alligator population, P, after x years of the protection program, where 0 ≤ x ≤ 12. How long... more
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09/28/20

I'm solving tax problems using systems of linear equations. Help!
Last year, Dan had 10000 to invest. He invested some of it in an account that paid 7% simple interest per year, and he invested the rest in an account that paid 6% simple interest per year. After... more
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College Algebra

09/28/20

The perimeter of a playing field for a certain sport is 302 ft. The field is a rectangle, the length is 45 ft longer than the width. Find the dimensions
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College Algebra

09/28/20

25 less than 5 times a number is 65. What is the number?
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College Algebra

09/28/20

Nine times the sum of 3 and some number is 63. What is the number?
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College Algebra

09/28/20

college algebra

A ladder leans against the side of a house. The top of the ladder is 10 ft from the ground. The bottom of the ladder is 8 ft from the side of the house. Find the length of the ladder. If necessary,... more
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College Algebra

09/28/20

college algebra

Translate sentence into a inequality Twice the difference of a number and 2  is less than −16
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College Algebra

09/28/20

Find three consecutive integers such that the product of the first and third integer is 9 greater than 3 times the second
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College Algebra

09/28/20

College Algebra Homework Question
One number is six less than a second number. Three times the first is 7 more than 4 times the second. Find the numbers.*Need help on my college algebra homework question! Please Help!*
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College Algebra

09/27/20

College math problems

60 subtracted from five times a number is 4 more than the number
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College Algebra

09/27/20

Graphing a piece-wise defined function
H(x)=5 if x is not equal to 0
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College Algebra Algebra 1 Algebra 2 Calculus

09/27/20

If f(x) = x squared - 5x and g(x) = x - 1, evaluate each of the following. (please show me step by step.)
(f °g)(-5) = (g°f)(-5) =
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College Algebra Math Calculus Precalculus

09/27/20

Given that f(x) = 2x + 1 and g(x) = sqrt x - 3, calculate. (Please show me step by step._)
f(g(14))g(f(14))
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09/27/20

Two trains leave towns 346 miles apart at the same time and travel toward each other. One train travels 11 mi/hr faster than the other. If they meet in 2 hours, what is the rate of each train?
We are suppose to use a linear equation and i just cant get this.
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College Algebra

09/27/20

college algebra word problem

If the total amount of money you had to invest was $8,000 and you deposit x amount in one investment, how can you represent the remaining amount in dollars?
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College Algebra Algebra 1 Algebra 2 Algebra

09/27/20

Draw a net for a prism that has a right isosceles triangle for a base
Draw a net for a prism that has a right isosceles triangle for a base. Draw a different net for the same prism.
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