laceymilstead7783 laceymilstead7783

10-03-2020
Mathematics

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Give the function for f(x)-5|x+1|+3 for what values of x is f(x)=-12

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laura1059 laura1059

10-03-2020

I’m not sure whether there is a typo in the function but I might have the answer.

If f(x) = 5(x+1)+3 = -12 then you can solve for x.

5(x+1)+3 = -12
5x + 5 + 3 = -12 << expand the brackets
5x + 5 = - 15 << minus 3
x + 1 = -3 << divide everything by 5
x = -4 << minus 1

I don’t know if this helps x Sorry

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