Question 39
FunctionsIf f(x − 1) = x3 + 3x2 + 4x − 5, find f(2)
- A.61
- B.25
- C.20
- D.13
Show the answer and explanation
Answer: A (61)
Explanation
x − 1 = 2 when x = 3: f(2) = 27 + 27 + 12 − 5 = 61.
If f(x − 1) = x3 + 3x2 + 4x − 5, find f(2)
Answer: A (61)
x − 1 = 2 when x = 3: f(2) = 27 + 27 + 12 − 5 = 61.