Set 2: Trigonometry

Explanation

Answer: B

If $x = 3$ , what is the value of $3x + 14$ ?

✓ Correct

Detailed Explanation

Choice B is correct. 1. Substitute $x = 3$ $3(3) + 14$ $= 9 + 14$ $= 23$ Therefore, $3x + 14 = 23$ when $x = 3$ .

Key Steps:

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Apply the appropriate mathematical formula

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The correct answer is 23

Why others are wrong:

A: This would give an incorrect result. Choice A 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.

D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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