Question 7
FunctionsGiven that f(x) = (x + 1)/2, find f−1(−2).
- A.−5
- B.−3
- C.3
- D.5
Show the answer and explanation
Answer: A (−5)
Explanation
f⁻¹(x) = 2x − 1, so f⁻¹(−2) = −5.
Given that f(x) = (x + 1)/2, find f−1(−2).
Answer: A (−5)
f⁻¹(x) = 2x − 1, so f⁻¹(−2) = −5.