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Linear Functions

SAT Math· difficulty 2/5

For the linear function f(x)=2x+1f(x) = 2x + 1 with domain all real numbers, which describes the range?

  • A

    All real numbers

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  • B

    y≥1y \ge 1

  • C

    All integers

  • D

    y≤1y \le 1

Explanation

A non-constant linear function has range R\mathbb R.

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