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Given f(x)= 3|2x-4|-8
find f(-3)=

User Jamgreen
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1 Answer

5 votes

Hi there!


\large\boxed{f(-3) =22 }}

Find f(-3) by substituting in -3 for x:

f(x) = 3|2x - 4| - 8

f(-3) = 3|2(-3) - 4| - 8

Simplify:

f(-3) = 3|-6 - 4| - 8

f(-3) = 3|-10| - 8

f(-3) = 3(10) - 8 = 22

User JCAguilera
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