4,322 Answered Questions for the topic College Algebra

College Algebra

09/28/21

1.) The product of five and a number is equal to the difference of five and another number
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College Algebra Math Prealgebra Statistics

09/28/21

Highway speeding
On most state highways, the fine for speeding depends on the speed of the car. In a certain state, suppose the fine as a function of the number of miles per hour over the speed limit is f(n). The... more
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College Algebra Math Prealgebra Statistics

09/27/21

Freshener Air Problem.
A company that makes air fresheners has determined with x milliliters of liquid, their product lasts for Q(x)days. Based on their current formula, a 20 milliliter (mL) container will last for 21... more
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College Algebra Math Algebra 1 Algebra 2

09/27/21

Mechanics Transformations
A) What are the domain and range of f(x)? [Note the arrow on the left side and the closed endpoint on the right side]B) Label at least 5 key points on the graph. It helps to write them in a... more
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09/27/21

Experts Please Help

Problem: You own an orchard of apple trees. From experience, you know that when 100 trees are planted, each tree yields approximately 240 apples. Furthermore, you’ve also noticed that when an... more
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College Algebra Mathematics

09/27/21

Math question please help!
Three times the sum of a number and twelve is 63. What is the number?A) Translate the statement above into an equation that you can solve to answer this question. Do not solve it yet. Use x as your... more
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College Algebra Math Algebra 1 Algebra 2

09/26/21

Mechanics, Transformations

A) What are the domain and range of f(x)? [Note the arrow on the left side and the closed endpoint on the right side]B) Label at least 5 key points on the graph. It helps to write them in a... more
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College Algebra

09/26/21

College Algebra

1. What is the difference between f(-2) and -f(2)?2. What's the difference between f(-x) and -f(x)? I am confused please help
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College Algebra

09/26/21

The Royal Fruit Company produces two types of fruit drinks. The first type is 45% pure fruit juice, and the second type is 70% pure fruit juice.

The Royal Fruit Company produces two types of fruit drinks. The first type is 45% pure fruit juice, and the second type is 70% pure fruit juice. The company is attempting to produce a fruit drink... more
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College Algebra Math Algebra

09/25/21

Translate an English Phrase to an Algebraic Expression In the following exercises, translate the phrases into algebraic expressions.
ⓐ the sum of 4ab 2 and 7a 3 b 2ⓑ the product of 6y 2 and 3y ⓒ twelve more than 5x ⓓ 5y less than 8y 2ⓐ eleven times the difference of y and two ⓑ the difference of eleven times y and two
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College Algebra

09/24/21

Describe how the given function can be obtained from one of the basic graphs,

Then graph the function g(x)= -(x+4)^3
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College Algebra

09/24/21

Let f(x)=x^2-2 and g(x)=3x-1. Evaluate and simplify g(f(3))=
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College Algebra Maths

09/24/21

The function F(x) = (x − 3)^2 − 4 for x ∈ (−∞, 3] is one-to-one. What is its inverse function? What is the domain and range of F^ −1 ?
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College Algebra Math Algebra 1 Calculus

09/21/21

Arizona taxes problem.

The following is from the actual Arizona state tax table for 2020 taxes.A single person whose taxable income is between $0-$27,272 is charged 2.59% in tax.A single person whose taxable income is... more
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College Algebra

09/21/21

Please helppppppppppp????
Garrett is 47 years old, and Emily is 29 years old. How many years ago was Garrett's age 3 times Emily's age?(A) Let x represent how many years ago Garrett's age was 3 times Emily's age. Write an... more
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College Algebra

09/21/21

find the y-coordinats of the points that are 10 units away from the point (-1,6) that have an x-coordinate of 7.
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College Algebra Math Calculus Prealgebra

09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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College Algebra Algebra 1 Statistics Algebra

09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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College Algebra Math Algebra 1 Algebra 2

09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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Expert Answers •1
College Algebra Math Algebra 1 Calculus

09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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College Algebra Math Algebra

09/20/21

Help me solve this problem
A department store buyer purchased some shirts for $540. Then she sold all but eight of them. On each shirt sold, a profit of $6 (over the purchase price) was made. The shirts sold brought in... more
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College Algebra Math Algebra

09/19/21

Help Me with this problem! Please
A freight train requires 2.5 hours longer to make a 300-mile journey than an express train does. If the express train averages 20 miles per hour faster than the freight train, how long does it take... more
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College Algebra

09/19/21

Section 2.1: Linear Models
Question 5:A population of beetles is growing according to a linear growth model. Initially, there were 32 beetles, and 10 weeks later, there were 38 beetles.(a) Write a linear model to describe... more
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College Algebra

09/19/21

Section 2.1: Linear Models
Question 4:A small town had 425 homes in 2018, and by 2020, this had grown to 525.(a) Assuming the number of homes is growing linearly, find the growth rate d.(b) Write a linear model of the... more
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College Algebra

09/19/21

Section 2.1: Linear Models
Question 2:Maggie is a DJ. Every week she buys 6 new albums to add to her collection. She currently owns 15 albums.(a) Find a linear model of the form Pt=P0+dt to describe the number of albums... more
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