1,744 Answered Questions for the topic Functions

Functions

01/24/21

f(x)=x^3 find f(2x)

Functions Math Algebra

01/22/21

Write a function rule (equation) for the statement.

Write a function rule (equation) for the statement. The output is 12 more than the input.
Functions

01/21/21

f(x)= x2 - 7, find f(x) = 29

Quadratic Function

A farmer with 1200 m of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total area of... more

01/20/21

Find the inverse of the function: h(x)= -2/(x-3) - 1

01/20/21

Find the inverse of the function: g(x)=2x^5

01/20/21

Find the inverse of the function: F(x)=-5x+3

Functions Math Trigonometry

01/20/21

Functions 11 - Trigonometry Problem

The displacement of a raft in metres in the water is described by the function b(t) = 4sin(18t) at time ‘t’ seconds. If the raft starts at the center, when is the second time that the raft will be... more

01/13/21

Quadratic Functions

Elli has 1400m of fencing and wants to fence off a rectangle ostrich run that is at the bottom of a cliff face. She needs no fence along the cliff face. what are the dimensions of the ostrich run... more

01/13/21

Rational Expressions

A farmer with 1200m of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total area of... more

01/13/21

Quadratic Functions

A transit company carries about 80,000 riders per day for a fare of $1.25. To obtain more revenue, the management plans to increase the fare. It estimates that for every 5 cent increase in fare, it... more

01/13/21

Quadratic Functions

a lawn care company charges $20 a week and has 120 clients. The owner estimates that for each $2 increase in its fee, the company would lose 5 clients. What fee should the owner charge to receive... more

01/13/21

Rational Expressions

One pipe can fill a pool in six hours. When two pipes are opened, they fill the pool in five hours. how long would it take to fill the pool if only the slower pipe is used?

01/13/21

Rational Expressions

How much alfalfa should be added to 60L of ostrich pellets to create a mix that is 32% alfalfa by volume?

01/13/21

Rational Expressions

A truck loaded with ostriches is traveling 20km/h faster than a freight train carrying emus. In the time it takes the train to travel 160km, the truck travels 240km. Determine algebraically the... more

01/13/21

Rational Expressions

The speed of a stream is 6km/h. If the boat travels 94km downstream in the same time that it takes to travel 47km upstream, what is the speed of the boat in still water?
Functions Algebra

01/10/21

Need help please Algebra! Given a function with a maximum value of y=8 and zeros x=2 and x=-6,

Given a function with a maximum value of y=8 and zeros x=2 and x=-6, determine the equation of the function in all three forms (standard, vertex, and factored)
Functions

01/03/21

(3,17) and (6,32) what is the equation of this function

12/20/20

Use the graph of the function to answer the following.

f(x) = cos(x) on the interval [−2𝜋, 2𝜋](a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.)x =(b) Find the y-intercepts of the graph... more

12/18/20

Rational Functions

The roots of  x+3/3x-2 = -7+x can be determined using which of the following?The x-intercepts of the function 𝑦 = 𝑥 + 3/3𝑥−2 + 𝑥 − 7The x-coordinates of the points of intersection... more

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