For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Answers may vary. One possible solution is:
1. (f-1 ? f)(x) = f-1(f(x)) = f-1
= 
= 
= 
= x;
2. (f ? f-1)(x) = f(f-1(x)) = f
=
= 
= 
= x
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Evaluate the integral.
dx
A. 1 + cos 1 B. -1 C. 1 D. 1 - cos 1
Provide an appropriate response.Determine the y-intercept of the equation: x = 7
A. 1 B. 7 C. 0 D. no intercept
Solve the problem. Round to the nearest cent.A director of accounts received an invoice for $414.04, dated November 14, with sales terms 4/8 ROG. The merchandise described on the invoice was received December 9. Find the cash discount and net amount paid if the invoice was paid January 5.
A. Cash discount: $16.56; net amount: $397.48 B. Cash discount: $33.12; net amount: $380.92 C. Cash discount:$16.16; net amount: $403.04 D. Cash discount: $0; net amount: $414.04
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = 2x(x - 4)(x + 11)
A. -4, multiplicity 1; - 
, multiplicity 1; 11, multiplicity 1
B. -11, multiplicity 1; 
, multiplicity 1; 4, multiplicity 1
C. -4, multiplicity 1; - 
, multiplicity 1; 0, multiplicity 1; 11, multiplicity 1
D. -11, multiplicity 1; 0, multiplicity 1; 
, multiplicity 1; 4, multiplicity 1