5

Set 5: Trigonometry

Explanation

Answer: B

If x=6x = 6, what is the value of 6x+136x + 13?

A.

39

B.

49

✓ Correct
C.

59

D.

24

Detailed Explanation

Choice B is correct. 1. Substitute x=6x = 6 6(6)+136(6) + 13 =36+13= 36 + 13 =49= 49 Therefore, 6x+13=496x + 13 = 49 when x=6x = 6.

Key Steps:

Apply the appropriate mathematical formula

The correct answer is 49

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.

🎯 Keep Practicing!

Master all sections for your best SAT score