Question

Lat f(x)=2x-7 and g(x)=4x-3. find(f o g)(5)

Answer 1

27

Explanation:

Replace the x in f(x) by g(x) to get (f o g)(x)

= 2(4x - 3) - 7

= 8x - 6 - 7

= 8x - 13

so (f o g) (5)

= 8(5) - 13

= 27