htxfilza htxfilza
  • 15-10-2017
  • Mathematics
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If f(x) = −5x + 11 and f(n) = 21, what is the value of n?

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Аноним Аноним
  • 15-10-2017

f(n) = -5n + 11 
21 = -5n + 11 
10 = -5n 
n = -2
Answer Link
curlykidd
curlykidd curlykidd
  • 15-10-2017
n=-2

It may help you visualize what this question is asking for if you let x = n in f(x)= -5x+11.

Let x = n

f(n) = -5n + 11
21 = -5n + 11
10 = -5n
n = -2
Answer Link

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