Question

IF F(x) = 3x+k and fof(3)=16, then
find the value of K​

Answer 1

Let the value of X be 3,

F(3) = 3(3) + k

=9 + k --- i

Given,

F(3) = 16 --- ii.

Computing i and ii,

9 + k = 16

k = 7