SAT Math Multiple Choice Question 737: Answer and Explanation

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Question: 737

2. If y = 3x + 4 and x < 3, which of the following represents all the possible values of y?

  • A. y > 7
  • B. y < 13
  • C. 7 < y < 13
  • D. y > 13

Correct Answer: B

Explanation:

B

Algebra (inequalities) MEDIUM

Original inequality:

x < 3

Multiply by 3:

3x < 9

Add 4:

3x + 4 < 13

Substitute y = 3x + 4:

y < 13

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