Question

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

Answer 1

2(2x+3)+3
4x+6+3
4x+9

Answer 2

if i may ask, why is the function of g given if it will not be used...the problem is making use of only f(x)

Answer 3

most likely to make sure the student can discern that it actually isn't needed.

Answer 4

i guess it isn't needed

Answer 5

its 4x+9