Question 26
FunctionsGiven that g(x) = 2x + 5, find the image of −3 under g−1(x).
- A.−4
- B.−1
- C.1
- D.4
Show the answer and explanation
Answer: A (−4)
Explanation
g⁻¹(x) = (x − 5)/2, so g⁻¹(−3) = −8/2 = −4.
Given that g(x) = 2x + 5, find the image of −3 under g−1(x).
Answer: A (−4)
g⁻¹(x) = (x − 5)/2, so g⁻¹(−3) = −8/2 = −4.