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22 November, 03:48

What is the value of f (-1) when f (x) = 2x + 3

A 5

B - 1

C - 5

D 1

+2
Answers (2)
  1. 22 November, 04:00
    0
    F (-1) means to replace x in the equation with - 1 then solve.

    2 (-1) + 3 = 1

    The answer would be D. 1
  2. 22 November, 04:10
    0
    D

    Step-by-step explanation:

    f (x) = 2x + 3

    f (-1) = 2 (-1) + 3

    = - 2 + 3

    = 1
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