The function f is one-to-one. Find its inverse.f(x) = (x - 7)3
A. f-1(x) = 
+ 7
B. f-1(x) = 
+ 343
C. f-1(x) = 
- 7
D. f-1(x) = 
+ 7
Answer: A
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Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
- 
+ 
B. f(x) = 
- 
+ 
C. f(x) = 
+ 
- 
D. f(x) = 
+ 
+ 
List all the factors of each number.198
A. 2 ? 2 ? 3 ? 3 ? 11 B. 2 ? 3 ? 3 ? 11 C. 2 ? 3 ? 11 D. 22 ? 3 ? 3
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Bob is 72 years old and Susan is 45 years old. Write a simplified ratio in three different ways of Bob's age to Susan's age.
A. 
, 5 to 8, 5:8
B. 
, 8 to 5, 8:5
C. 
, 1 to 9, 1:9
D. 
, 72 to 45, 72:45