Question

Please help question attached

Answer 1

a = sqrt( 3x+1)

Explanation:

f(x) = sqrt(x-1)

g(x) = 3x+2

(f°g)(x) means replace g(x) in f(x) every place you see an x

(f°g)(x) = sqrt( g(x) -1)

= sqrt( 3x+2 -1)

Simplifying

=sqrt( 3x+1)