Question

If
f(x) = -4x + 8 and
g(x) = √ x – 1, which statement is true?

Answer 1

-3 is not in the domain of f°g

Explanation:

f°g=f(g(x))

f(x) = -4(√x-1)+8

*Remember that √x-1 has to be larger than 0

since √-3-1 = √-4, -3 is not in the domain of f°g