Set 2: Trigonometry

Explanation

Answer: A

If $x = 5$ , what is the value of $5x + 1$ ?

✓ Correct

Detailed Explanation

Choice A is correct. 1. Substitute $x = 5$ $5(5) + 1$ $= 25 + 1$ $= 26$ Therefore, $5x + 1 = 26$ when $x = 5$ .

Key Steps:

•

Apply the appropriate mathematical formula

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The correct answer is 26

Why others are wrong:

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.

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

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