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Find Inverse Functions Algebraically
Grade Level
Praxis Core
5165.102 Find Inverse Functions Algebraically
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Let f(x) = 3x + 6. Which expression represents the inverse function f⁻¹(x)?
A
f⁻¹(x) = 3x + 6
B
f⁻¹(x) = (x - 6)/3
C
f⁻¹(x) = (3x - 6)
D
f⁻¹(x) = (x + 6)/3
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