Question

Given f(x)=2x+5 find f(3)

answer choices are:
1. ) 28
2.) -28
3.) 11
4.) 6x+5
5.) 5

Answer 1

3.) 11

General Formulas and Concepts:

Pre-Alg

• Order of Operations: BPEMDAS

Explanation:

Step 1: Define

f(x) = 2x + 5

f(3) is x = 3

Step 2: Solve

1. Substitute: f(3) = 2(3) + 5
2. Multiply: f(3) = 6 + 5
3. Add: f(3) = 11