Set 5: Function Notation (Beginner)

**Choice A is the best answer.** f(1) = 4(1) - 5 = 4 - 5 = -1

Explanation

Answer: A

PROBLEM

If f(x) = 4x - 5, find f(1).

-1

✓ Correct

Detailed Explanation

Choice A is the best answer. f(1) = 4(1) - 5 = 4 - 5 = -1

Why others are wrong:

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

C: 29 is incorrect because it does not satisfy the equation.

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

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