1,752 Answered Questions for the topic Functions

Functions

04/10/18

find the domain of x^3-8\x^2-4
x3 −8 x2 −4
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Functions

04/10/18

If the point (5,3) is a point on the graph of f, then
If the point (5,3) is a point on the graph of f, then
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Functions Graph Proportions

04/09/18

Which graph represents the relationshil between the number of gallons of milk and the number of pounds of cheese that can be made from milk?
A cheese manufacturer uses 65 gallons of milk to make 52 pounds of cheese. The weight of the cheese is directly proportional to the number of gallons of milk used to make the cheese.
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03/28/18

Jennifer worked 60 hours in June, and her total sales were $8,625. Find the amount she earned from commission in June and the hourly wage she is paid.
Jennifer works at a bookstore. She earns an hourly wage plus 4% commission on her monthly sales. Her total earnings for June, July, and August are shown. In June she earned $ 1,005. In July she... more
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03/24/18

Differential Equation Problem. No clue how to do this.
Find the derivatives of each of the following vectors.   x(t) = [ t3 - 2t2 +t                 etsin(t) ]
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03/20/18

The gizmo store sells gizmos. You pay $3 for the first 3 gizmos and $0.75 for each additional Gizmo.
a. Define an independent and a dependent variable and describe a function that arises from this scenario. Give any restrictions on the values of the independent variable.  b. Find an equation for... more
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Functions Math

03/19/18

Evaluate the function f(x) = |x - 5| for x = 3
The x is 3 and this should help me pass math class 
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Functions

03/19/18

consider the function f(x)=4+x
what is f (-2+8)?   what is f(-2) +f(8)?
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03/19/18

Find the inverse of the one-to-one function. f(x) = √x + 8
Show all steps. The x+8 is in the radical. 
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03/19/18

Find the inverse of the one-to-one function. f(x) = 3/2x + 1
Show step by step. 
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03/17/18

How to solve this?
Identify the slope of the line that passes through the points of the parabola given by y = x2 + 4x + 3 when x = 0 and x = 4. I know the answer is 8, but I need an explanation.
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Functions Maths Math Help

03/11/18

function notation
find g(x-1) when g(x) = x^2 + 2x + 3
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Functions

03/10/18

Find the value given that f(x)= 7x+6.
Find the value given that f(x)= 7x+6. Simplify compeltely.  f(b)- f(0)
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Functions

03/09/18

f(5) if f(x)=4x what is the fraction value
find the function value
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Functions

03/09/18

F is a function such that f(x) = 3 ÷ 2x + 5. SHOW that ffinverse (x) =x
I am really stuck with this sheet of function questions pls help    
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Functions

03/09/18

Find the below function
H (x)=2x-3/3. F(x)=2x-3/3 Find h(f(x))
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Functions

03/08/18

evaluating functions without x?
For example it says     f(x) = 2,     x≥3     a. find f(4)   anyone know how i do this when there's no X?   all the other ones have X in it
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Functions

03/07/18

suppose f(x)=x^2. What is the graph of g(x)=f(3x)?
HELP! OH MY GOD JUST HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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03/03/18

Graph and find the domain and range of the function
f(x)=(1/4)x-1   My class is in the functions section now but i can't figure out how to solve this problem. I've tried using multiple examples of the functions we've gone over but none seem to... more
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Functions

03/01/18

for g(x)=3x-12x+6 find the values of the x intercepts
find the values of 3x2   - 12x+ 6 how do i find
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02/28/18

if f(x^2+2)= x^4+10x^2+4, what is f(x^2-2)
if f(x2+2)= x4+10x2+4, what is f(x2-2)?
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Functions Function Variables F(x)

02/28/18

if (x^2+2)= x^4+10x^2+4, what is f(x^2-2)
 if (x^2+2)= x^4+10x^2+4 what is f(x^2-2)
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Functions

02/21/18

Is y = – 2 x – 3 a function
I need help with this question
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02/18/18

Find the domain of the function. h(x) = x-2/x^3 - 49x
h(x)=x-2 over x to the 3rd-49x. Find the domain. 
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02/18/18

h(x) = (x^2+2)/(x-5) if x cannot equal 5 and x+6 if x = 5 ; h(5)
Evaluate the piecewise function at the given value of theindependent variable.
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