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Mathematics 20 Online
OpenStudy (anonymous):

Given the function f(x) = -2x + 8, find x if f(x) = 22. Answer -15 -36 -7 52 A ?

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 ?

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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