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romanna [79]
2 years ago
13

If f(x) = 9-2 |x+2|, find f(-7). -15 -1 1 19

Mathematics
2 answers:
Alenkinab [10]2 years ago
6 0

Step-by-step explanation:

f(x) = 9 - 2|x + 2|

When x = 7, f(-7) = 9 - 2|(-7) + 2|

= 9 - 2|(-5)|

= 9 - 2(5)

= 9 - 10

= -1.

siniylev [52]2 years ago
4 0

9514 1404 393

Answer:

  -1

Step-by-step explanation:

Put -7 where x is and do the arithmetic.

 f(-7) = 9 -2|-7+2|

  = 9 -2|-5| = 9 -2·5 = 9 -10

  f(-7) = -1

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