4,335 Answered Questions for the topic College Algebra

College Algebra Algebra 2

10/07/19

Find and Simplify

Given the function f(x)=3-2x-x2 find and simplify (f(x+h)-f(x-h))/(2h)
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College Algebra

10/07/19

The width of a triangle is three times it’s height. The area of the triangle is 96 square feet. Find the height and width of the triangle.

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College Algebra Algebra 2

10/06/19

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assume the growth follows a Malthusian model.

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assume the growth follows a Malthusian model. By what factor will the current population of... more
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College Algebra Algebra 2

10/06/19

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 40 years. (Round your answer... more
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College Algebra

10/06/19

The revenue function for a sporting goods company is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=700−0.5x is the unit price. Find the maximum revenue.
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College Algebra Algebra

10/04/19

solve the following word problem

Shannon is building a deck around her square swimming pool. Let d = the width of the deck22. Given the diagram to the right, write a polynomial that represents the total area of the deck and pool.... more
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College Algebra Algebra

10/04/19

COMPLETELY FACTOR THE FOLLOWING EXPRESSIONS

15x^2 - 16x- 15 9gh + 49 - 9h^2 - 9gh 6k^2 + 5k-21 y^3 - 2y^2 + 6y - 12
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College Algebra Algebra

10/04/19

COMPLETELY FACTOR THE FOLLOWING EXPRESSIONS
12v^2 - 36vw - 48w^2 x^2 + 14x + 45 9t^2 + 42t + 49 3a^2 + 8ab - 3b^2 36m^2 - 132mn + 121n^2 4t^3 - 64t^2 - 128t
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College Algebra Algebra

10/04/19

DESCRIBE AND CORRECT THE ERROR.
(3y + 2)^2 = (3y)^2 + (2)^2=9y^2 + 4
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College Algebra Algebra

10/04/19

SIMPLIFY EACH OF THE FOLLOWING EXPRESSIONS.
(4t^2 - 7t + 2)(4t^2 + 7t - 4) (4-3y)(4+3y) (2m - 4)(4m^2 + 8m + 16) (3r - 2)(4r -3) (w-6)^2
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College Algebra Algebra

10/04/19

Algebra help please

You invested $17000 into two accounts paying 4% and 6% annual interest, respectively. If the total interest for the year was $860, how much was invested at each rate?
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College Algebra

10/04/19

what are the three answers?
Caroline is a full-time college student planning a spring break vacation. To earn enough money for the trip, she has taken a part-time job at the local bank that pays $15.00/hr, and she opened a... more
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College Algebra Algebra 2

10/03/19

What values of the variable must be excluded from the expression x^3-x^2/x^2+4x-5
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College Algebra Math Algebra 1 Algebra 2

10/03/19

math homework payments
Rounding in the calculation of monthly interest rates is discouraged. Such rounding can lead to answers different from those presented here. For long-term loans, the differences may be... more
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College Algebra Algebra 2

10/03/19

Rewrite the relation as a function of x
2x^2-2x+y=-6y Rewrite the relation as a function of x
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College Algebra

10/02/19

An investment decreases by 2% per year for 4 years. By what total percent does it decrease after the 4 years?
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College Algebra Algebra

10/02/19

interpreting the parameters of a linear function that models a real scenario
A construction crew is lengthening a road. Let y represent the total length of the road (in miles). Let x represent the number of days the crew has worked. Suppose that x and y are related by the... more
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College Algebra

10/02/19

How do you write a polynomial function of minimum degree in standard form with real coefficients?
whose zeros and their multiplicities include those listed. 6 ​(multiplicity 2), 4+i(multiplicity 1)
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College Algebra

10/02/19

Help with College Algebra
Determine g(x+a)−g(x) for the following function g(x)=3x^2+4x
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College Algebra

10/02/19

A service station attendant is paid time-and-a-half for working over 40 hours per week. Last week the attendant worked 47 h and earned $681.75. Find the attendant's regular hourly wage.
Its asking for the regular hourly wage.
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College Algebra

10/01/19

Let F(x)= x+2/x+9 Find F^-1(-10)
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College Algebra

10/01/19

Determine whether the following function is one-to-one on its domain. If it is one-to-one, find its inverse function f−1(x). If it is not-one-to-one, write "undefined"
f(x)=x^2−5f^-1(x)=?
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College Algebra

10/01/19

Find the equation for the line passing through the point (−2,4) and parallel to the line whose equation is y=3x+10
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College Algebra Algebra 2

09/30/19

What happens if we graph both f and f^{-1} on the same set of axes, using the x-axis for the input to both f and f^{-1} ?
What happens if we graph both  and  on the same set of axes, using the x-axis for the input to both  and  ?
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College Algebra

09/29/19

What’s the maximum possible area of the pasture?

The back of Jake’s property is a creek. Jake would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 200 feet... more
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