Set 5: Function Notation (Beginner)

**Choice C is the best answer.** f(1) = 1(1) + 3 = 1 + 3 = 4

Explanation

Answer: C

PROBLEM

If f(x) = 1x + 3, find f(1).

✓ Correct

Detailed Explanation

Choice C is the best answer. f(1) = 1(1) + 3 = 1 + 3 = 4

Why others are wrong:

A: 1 is incorrect because it does not satisfy the equation.

B: 3 is incorrect because it does not satisfy the equation.

D: 2 is incorrect because it does not satisfy the equation.