Question

let f(x)=x+5 what is f(x+3)

Answer 1

to get f(x+3)
just replace 'x' in f(x) by 'x+3'

Answer 2

x + 8

Answer 3

f(x) = x + 3 + 5
f(x) = x + 8

Answer 4

thank you

Answer 5

I have another let f(t)=t^2 what is f(t-4)

Answer 6

just replace t by t-4

what do u get when you put t-4 instead of t in t^2 ?

Answer 7

(t-4)^2

Answer 8

that would be correct :)