Question

) if f(x) = ax + b,
f(f(f(x)))=8x + 21
Find the value of a + b =?
a)2 b)6 c)5 d)7; ) if f(x) = ax + b,; f(f(f(x)))=8x + 21; Find the value of a + b =?; a)2 b)6 c)5 d)7

Answer 1

a=2

b =3

so a+b=5

this is answer perhaps