1,744 Answered Questions for the topic Functions
Functions
01/24/21
f(x)=x^3 find f(2x)
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
Determine the angle in standard position whose terminal arm connects to the given point, (-6, -13). 0 ≤ Θ ≤ 2π (Round off to 4 decimal places.)
Functions
01/21/21
f(x)= x2 - 7, find f(x) = 29
01/20/21
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...
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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...
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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...
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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...
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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...
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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...
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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
Functions
12/25/20
Given the function f ( x ) = 3 x 2 − 7 x + 7 . Calculate the following values: f ( − 2 ) = f ( − 1 ) = f ( 0 ) = f ( 1 ) = f ( 2 ) =
Functions
12/21/20
The point (–3, –5) is on the graph of a function. Which equation must be true regarding the function?
Functions
12/21/20
Consider the function represented by the equation 6q = 3s - 9. Write the equation in function notation, where q is the independent variable.
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...
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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...
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