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Problem : f (x) = 4x - 1, g(x) = x + 1, h(x) = (x + 1), and j(x) = 4x + 1. Are each of the following pairs inverse functions?
a) f and g
b) g and j
c) f and j
d) f and h

a) No.
b) No.
c) No.
d) Yes.

Problem : What is the inverse of f (x) = 5(x - 1)?

f-1 = x + 1

Problem : What is the inverse of f (x) = 5x2?

f-1 = , x≥ 0.

Problem : If f (x) = , what is f-1?

f-1 = - (4x - 5) = - 4x + 5.

Problem : What is the range of the inverse of f (x) = ?

f-1(x):f-1(x)≠-2, 0, 2, 3.
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