Question

Evaluate f(x) = 4x+5 for x = 1. A) -9 B) 1 C) 4 D) 9

Answer 1

Put x value there which is 1 so its gonna be like this 4(1)+5
4*1+ 5
4+5=9

Answer 2

f(1) = 9

Explanation:

Evaluate f(x) = 4x+5 by replacing both instances of x with '1' as follows:

f(1) = 4(1) + 5 = 9

Thus, f(1) = 9