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2

Set 5: Function Notation (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = 5x - 2, find f(10).

If f(x) = 5x - 2, find f(10).

A.

48

✓ Correct
B.

47

C.

51

D.

50

Detailed Explanation

Choice A is the best answer. f(10) = 5(10) - 2 = 50 - 2 = 48

Why others are wrong:
B: 47 is incorrect because it does not satisfy the equation.
C: 51 is incorrect because it does not satisfy the equation.
D: 50 is incorrect because it does not satisfy the equation.
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