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9 August, 11:00

Select the correct answer for when you evaluate the following function at f (5):



f (x) = -x2+2x-1

A

34

B

4

C

-16

D

14

+4
Answers (2)
  1. 9 August, 13:14
    0
    A. 34

    f (5) = 5^2+2x-1

    you replace all x with 5

    5^2=25

    2 (5) = 10

    f (5) = 25+10-1

    f (5) = 34
  2. 9 August, 14:02
    0
    A because (-5) ^2 = 25 + 2 (5) = 35-1=34
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