Question

f(x)=x^2-5x+4 and g(x)=3x+2

Evaluate f(g(4)) using the functions above.

Answer 1

first do g(4)=3(4)+2
g(4)=12+2 = 14
f(g(4))=f(14)=(14)^2-5(4)+4=130

Answer 2

yep that right

Answer 3

The answer f(g(4)) = 130 is correct but in the substitution the term '-5(4)' should have been written -5(14)

Answer 4

Yes, I stand corrected.
f(14)=(14)^2-5(14)+4=130
thanks kropot72

Answer 5

You're most welcome :)