Alg 2 Inverse Review

Find the inverse of the function.

• f^-1 = (x + 3)² − 4

• f^-1 = (x − 4)² + 3

• f^-1 = (x + 3)² + 4

• Inverse does not exist

Determine the inverse of {(2, 4), (-3, 1), (-3, 5), (0, 5)}

• {(-2, -4), (3, -1), (3, -5), (0, -5)
• {(4, 2), (1, -3), (5, -3), (5, 0)}
• {2, -3, 0}
• {(-4, -2), (-1, 3), (-5, 3), (-5, 0)}

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3

• f^-1(x) = -4x - 3

If f(x) = x² + 9 and

g(x) = x - 9,

find f(g(3))

• 36

• 9

• -27

• 45

f(x) = 3x + 10
g(x) = x - 2
Find g(f(x))

• 3x + 8
• 3x - 2
• 3x + 4
• None of these.

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6