Question 2
FunctionsGiven that f: x → √x and g: x → 25 − x2, find the value of f o g(3).
- A.4
- B.3
- C.2
- D.1
Show the answer and explanation
Answer: A (4)
Explanation
g(3) = 25 − 9 = 16, then f(16) = √16 = 4.
Given that f: x → √x and g: x → 25 − x2, find the value of f o g(3).
Answer: A (4)
g(3) = 25 − 9 = 16, then f(16) = √16 = 4.