4,322 Answered Questions for the topic College Algebra

College Algebra Math Algebra 1 Algebra 2

03/05/21

Find each value of x, evaluate f(x).
Evaluate​ f(x) for the given values for x. Find each value of x, evaluate f(x).f(x) = x - 4
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College Algebra Precalculus

03/05/21

Express powers as factors
log4(10x) Express powers as factors
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College Algebra

03/04/21

College Algebra
Use slope-intercept form to write an equation of a line passing through the given point and having the given slope. Express the answer in standard form. P(−4, −6); m =  − 3/4
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Please help me on this question
Use the 2016 FICA tax​ rates, shown​ below, to answer the following question.If a taxpayer is not​ self-employed and earns $167,000​, what are the​ taxpayer's FICA​ taxes?Employee's Rates:7.65% on... more
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Help on math question
Use the 2016 FICA tax​ rates, shown​ below, to answer the following question.If a taxpayer is not​ self-employed and earns $133,000​, what are the​ taxpayer's FICA​ taxes?Employee's Rates:7.65% on... more
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Help on math question
Use the 2016 FICA tax​ rates, shown​ below, to answer the following question.If a taxpayer is not​ self-employed and earns $133,000​, what are the​ taxpayer's FICA​ taxes?Employee's Rates:7.65% on... more
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Expert Answers •1
College Algebra Math Algebra 1 Algebra 2

03/04/21

Question on math
When you buy​ something, it actually costs more than you may think-at least in terms of how much money you must earn to buy it. For​ example, if you pay ​24% of your income in​ taxes, how much... more
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College Algebra Math Algebra 1 Algebra 2

03/04/21

I need help on this math question
Suppose the tax rate is​ 6% and you purchase a laptop for​ $475. Find the total cost​ paid, including tax.$__ ​(Round to the nearest cent as​ needed.)
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Math question help
A man earned wages of ​$​45,600, received ​$2700 in interest from a savings​ account, and contributed ​$2600 to a​ tax-deferred retirement plan. He was entitled to a personal exemption of ​$4050... more
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Math question help
A man earned wages of ​$​45,600, received ​$2700 in interest from a savings​ account, and contributed ​$2600 to a​ tax-deferred retirement plan. He was entitled to a personal exemption of ​$4050... more
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College Algebra Math Algebra 1 Algebra 2

03/04/21

Please answer!!!!!!!!!
A single woman earned wages of​ $57,000, received​ $2500 in interest from various​ accounts, and contributed​ $2000 to a​ tax-deferred savings plan. She is entitled to a personal exemption of​... more
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College Algebra Math Mathematics

03/04/21

PLEASE ANSWER ON THIS MATH QUESTION!!!!!
The principal P is borrowed at a simple interest rate r for a period of time t. Find the simple interest owed for the use of the money. Assume 360 days in a year.P​ = ​$9000​, r​ = ​3%, t​ = 1 year
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College Algebra Precalculus

03/04/21

The size S of a small herbivore population at the time t (in years) obeys the function S(t)=420e^.17t. What's the population in 5 years?
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College Algebra

03/04/21

Given that 𝑓(𝑥) is a cubic function with zeros at −9, −1, and 6, find an equation for 𝑓(𝑥) given that 𝑓(10)=9.
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College Algebra Math Algebra 2 Mathematics

03/03/21

Geometric and arithmetic algebra

mandy a skill biker is preparing to ride her bike in an upcoming race she will ride her bike for 15 miles the first week, and each week following, she will ride 4% more than the previous week.... more
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College Algebra Math Precalculus Pre Calculus

03/03/21

Domain and Range pre- calc question

Determine the inverse of the one-to-one function 𝑓(𝑥) = 3−4𝑥 7+8𝑥 State the domain and range of the inverse
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03/02/21

Write a quadratic equation in standard form: f(x)= x2-4x+6
Write the following quadratic equation in standard form:f(x)= x2-4x+6
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College Algebra

03/02/21

Suppose z varies directly as x and inversely as y^ 2 . If z = 12 when x = 6 and y = 5 , what is z when x = 7 and y = 8 ?
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College Algebra

03/02/21

y varies directly as x. If x= 7 then y= 35. Find y when x= 5
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College Algebra

03/02/21

Please Help!! Use Descartes' rule of signs to help list the possibilities for the nature of the solutions for the equation. Do not solve the equation. (Select all that apply.) 6x2 − 12x + 2 = 0 2

Use Descartes' rule of signs to help list the possibilities for the nature of the solutions for the equation. Do not solve the equation. (Select all that apply.)6x2 − 12x + 2 = 02 nonreal complex... more
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College Algebra Algebra 2

03/01/21

Stuck on this problem
A rancher has 100 yards of fence with which to enclose three sides of a rectangular field (the fourth side is a river and will not require fencing). Find the dimensions of the field with the... more
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College Algebra Algebra 2

03/01/21

Quadratic Regression
Been stuck on this problem and can't figure out how to get it going.t = 0.5, 1, 1.5, 2, 2.5, 3h(t) = 93.275, 107.1, 118.475, 127.4, 133.875, 137.9The height of the object as a function of the... more
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College Algebra

03/01/21

College Algebra: Use synthetic division to determine if the given value for k is a zero of this polynomial

Use synthetic division to determine if the given value for k is a zero of this polynomial. If not, determine p(k). p(x)=7x4−21x3−9x2+53x−14;k=2is k a zero for this polynomial?
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College Algebra

02/28/21

The area of a rectangular wall of a barn is 20 square feet. Its length is 8 feet longer than the width. Find the length and width of the wall of the barn.
Need to find the width and length
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College Algebra

02/28/21

Use synthetic division to show that g(x) is a factor of f(x), and complete the factorization of f(x). g(x) = x + 2, f(x) = x3 − 3x2 − 24x − 28
Use synthetic division to show that g(x) is a factor of f(x), and complete the factorization of f(x).g(x) = x + 2, f(x) = x3 − 3x2 − 24x − 28f(x)=Please help I got this answer x^2 - 5x - 15 and put... more
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