For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
1. (f-1 ? f)(x) = f-1(f(x)) = f-1(
) = ( 
) 3 - 9 = x;
2. (f ? f-1)(x) = f(f-1(x)) = f(x3 - 9) = 
= x
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Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.g(t) = 
- 
t2 + 8t, 0 ? t < ?
A. local and absolute minimum: - 
at x = 8; local maximum: 
at x =1
B. local minimum: 
at x =1; local and absolute maximum: - 
at x = 8
C. local minimum: 
at x =1; local maximum: 0 at x = 0; absolute maximum: - 
at x = 8
D. local minimum: 0 at x = 0; local and absolute minimum: - 
at x = 8; local maximum: 
at x =1
Find the number of proper subsets of the set.{x | x is an even number between 17 and 29}
A. 63 B. 64 C. 28 D. 32
Evaluate the polynomial for the given values of x and y.4y2 - 5xy; x = 6 and y = 2
A. -50 B. -44 C. 86 D. 84
Name the place held by the specified digit in the given number.3 in the number 301,475
A. ten thousands B. hundred thousands C. thousands D. hundreds