emma405 emma405
  • 06-06-2018
  • Mathematics
contestada

Find f(-7) if f(x) = 2x + 8. -6 2 3 22

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altavistard
altavistard altavistard
  • 06-06-2018
Just subst. -7 for x in f(x) = 2x + 8.  We get 2(-7) + 8, or -6.

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lindarod1186 lindarod1186
  • 06-06-2018
All you're gonna do is plug in -7 everywhere where x is
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