1,748 Answered Questions for the topic Functions
determine the equation of g(x) that results from translating the function f(x)= (x+6)^2 to the right 8 units
a) g(x)= (x-2)^2
b) g(x) = (x+14)^2
c) g(x) = (x+6)^2 -8
d) g(x)= (x+6)^2 +8
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Functions
03/02/15
f(x)=3x+2,g(x)=2x+5
I am not sure how to find the answer I don't understand how to figure it out
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Population growth
The population of a colony of mosquitoes obeys the law of uninhabited growth. If there are 1000 mosquitoes initially and there are 1800 after 1 day what is the size of the colony after 3 days? How...
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Functions
02/26/15
Functions:
A football is placed on the ground to kick a field goal. The height of the ball is a function of the time in seconds. Does the path the football follows after being kicked represent a linear or...
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Asymptotes of functions .Help me please!
The equation of the oblique asymptote is y=kx+b. I have a function f(x)=(x^2+4)/sqr(x^2-4). I get the b infinite. Am I right or not? I am stuck in this. And I dont know how to wirte the equation.
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Functions
02/25/15
The profit (p), in dollars, for a company is modeled by the function: p(x)= -750x^2+15,000x, where x is the number of items produced.
For which values of x will the comapny lose money?
a) 2 < x ≤ 10 b) x < 2
c) 10 ≤ x < 20
d) x > 20
Investment rate
how many years will it take for an initial investment of $40,000 to grow to $60,000? Assume a rate of interest of 19% compounded continuously.
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Whats the value of 'a' and 'k'?
How do you find a function's 'a' and 'k'? Like what are the steps?
Lets say you have a point from the parent function (2,2) and a point on the same x-value on the other function which is (3,2),...
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Functions Ged
02/23/15
What is the function?
Took a pretest and this one stumped me. Any help would be greatful
http://i.gyazo.com/6703f24740c64115aae5d96dabaf09c6.png
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Which of the following is the graph the function f(x) = 3x3 - 9x2 - 2x + 3 ?
Choose one answer.
A. a curve comes on screen near negative 4 comma negative 15 turns near negative 2 comma 18, turns again near 0 comma 3 before exiting off screen near 1 comma 20.
B. a...
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Functions
02/23/15
Let f(x) = x - 3 and g(x) = 2x + 4. What is f(g(x)) ?
Choose one answer. A. 2x + 7 B. 2x - 2 C. 2x + 1 D. 3x + 1
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Functions System Of Equations
02/21/15
F(x)=-3x^2+3x+4 G(x)=-6x+4
Solve algebraically. What do these solutions tell you about the graphs of the two functions
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Functions
02/17/15
Let f(x) = -4x + 7 and g(x) = 10x - 6, find f(g(x)).
A. -40x + 70 B. -40x + 64 C. -40x + 24 D. -40x + 31
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02/16/15
inverse of f(x)=2x^3-5
so ive got
y=2x^3-5
you switch the x and y:
x=2y^3-5
move the five to the opposite side:
x+5=2y^3
and divide by two:
x+5/2=y^3
im not sure about the last step but if someone could...
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Functions Inverse Functions
02/14/15
Need help finding the inverse function?
Find the inverse of the function of:
f(x)= 2x3 - 6
And verify that they are inverses.
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What is the value of x?
What is the value of x when f(x^2)=g(4x) if f(x)=4x-1 and g(x)=7+x?
02/07/15
Determine the equation for the function
A ball is thrown upward from the roof of a 25m building. The ball reaches a height of 45m above the ground after 2 seconds and hits the ground 5 seconds after being thrown.
Determine an...
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02/06/15
Write the function to describe coffee dripping into a 10-cup carafe at a rate of 1ml/s. State the domain and range of the function (1 cup=250ml)
Write the function to describe coffee dripping into a 10-cup carafe at a rate of 1ml/s. State the domain and range of the function (1 cup=250ml)
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02/05/15
Find the composition of functions.
fond the composition of functions, simplify answers.
Lets f(x)=1-x/2. Find f(f(x))
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02/05/15
Word problem
The store is offering a 15% discount on all items. You have a coupon worth $2 off any item. Let X be the original cost of an item. Use a composition of functions to find a function c(x) that gives...
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Functions
02/05/15
write a function g representing the area of the square as a function of the radius of the circle r.
A piece of rope that is 20feet long is cut into two pieces. One piece is used to form a circle and the other used to form a square. Write a function frepresenting the area of the circle as a...
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Functions
02/05/15
Express this function as an equation, table, and graph.
If a person drives 400 miles at an average of 50 miles per hour, then their distance d from the destination (in miles) is a function of the number of hours h driven.Express this function as an...
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Functions
02/05/15
dan, lincoln, and miguel have a total of $46.80. Lincoln has twice as much as dan, and miguel has three times as much as dan. how much does each boy have?
Dan's amount is unknown
Lincoln= twice as much as dan
Miguel= 3 times as much as Dan
Total= 46.80
Functions
02/01/15
find g(w+5)=? when g(x)=-4x
Find g(w) and g(w + 5).when g(x) = −4x
g(w + 5) =?
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