For the function f, use composition of functions to show that f-1 is as given.Let 
. Show that 
.
What will be an ideal response?
1. (f-1 ? f)(x) = f-1(f(x)) = f-1
= 7
+ 2 = (x - 2) + 2 = x;
2. (f ? f-1)(x) = f(f-1(x)) = f(7x + 2) = 
= 
= x
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Fill in the missing value.540,000 mm2 = cm2
A. 54,000 B. 54 C. 5400 D. 540
The total worldwide box-office receipts for a long-running movie are approximated by the function
?
?
where 
is measured in millions of dollars and x is the number of years since the movie's release.
?
Select the graph of the function T.
?
A. ? ?
?
?
B. ?
?
C. ?
D. ?
?
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = 2x2 + 32x + 126
A. x-intercepts: 9 and 7; y-intercept: -126 B. x-intercepts: 9 and -7; y-intercept: -32 C. x-intercepts: -9 and 7; y-intercept: 0 D. x-intercepts: -9 and -7; y-intercept: 126
Find the composition. If f(x) = x2 + 2 and h(x) = 
, find (h ? f)(4)
A. 
B. 4
C. 6 + 
D. 23