Question

Evaluate f (x) = 4x-5, find f (2x+3)

Answer 1

8x+9

Explanation:

f(x)=4x-5

f(2x+3)=4(2x+3)-5

=8x+12-5

=8x+9

this is your answer.I hope this will help you

Answer 2

8x + 7

Explanation:

To evaluate f(2x + 3) , substitute x = 2x + 3 into f(x) , that is

f(2x + 3) = 4(2x + 3) - 5 = 8x + 12 - 5 = 8x + 7