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OpenStudy (anonymous):
Given the function f(x) = -2x + 8, find x if f(x) = 22. Answer -15 -36 -7 52 A ?
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OpenStudy (anonymous):
-2x+8=22 x=-7
OpenStudy (anonymous):
we have to find the derivate 1st
OpenStudy (anonymous):
o sorry there is no need
OpenStudy (anonymous):
derivative???
OpenStudy (anonymous):
whats that ?
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OpenStudy (anonymous):
just put the value of f(x) 22=-2x+8 -14/2=x x=-7
OpenStudy (anonymous):
so i just put in every value in x till i get it correct ?
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