Question

Really need help

Answer 1

heres the problem

Answer 2

hi,
substitute "2" instead of "x" in f(x) and u will get the value f(2)
i.e-
f(x) = 3x + 1
then do the substitution
f(2) =( 3*2) + 1

and BINGO!! u can have ur answer !!!!

hope this will help ya!

Answer 3

can you help me with this one also?

Answer 4

@***[ISURU]***

Answer 5

substitute "7" instead of "x" in f^(-1)
= (x - 1)/3
= (7-1)/3
= 6/3
= 2

hope this will help ya!!