3 years ago

If f(x)=-12x−3, find x for f(x)=89.

2 answers:

6 0

89 = -12x - 3
89 + 3 = -12x
92 = -12x
-92/12 = x
-23/3 or -7 2/3 = x

ycow [4]3 years ago

4 0

F(89)=-12(89)-3=-1068-3=-1071

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