8

Set 1: Trigonometry

Explanation

Answer: D

If x=6x = 6, what is the value of 5x+25x + 2?

A.

42

B.

22

C.

16

D.

32

✓ Correct

Detailed Explanation

Choice D is correct. 1. Substitute x=6x = 6 5(6)+25(6) + 2 =30+2= 30 + 2 =32= 32 Therefore, 5x+2=325x + 2 = 32 when x=6x = 6.

Key Steps:

Apply the appropriate mathematical formula

The correct answer is 32

Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

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