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For the function f(n) = 2n - 7, determine n when f(n) = 11

(Its on goformative and I got the answer to be 15 but it says its wrong.

Respuesta :

Cricetus

Answer:

n=9

Step-by-step explanation:

f(n) = 2n - 7

we are asked to determine the value of n for which

f(n) = 11

Hence

11=2n-7

now we solve it for n

adding above equation 7 on both sides

11+7=2n-7+7

18=2n

dividing by 2 on both sides we get

9=n

Hence for n = 9 , f(n) = 11

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