Given h(x) = 3|x| -1, what is the value of h(-7)?
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"How do the valence electrons change as you go across a period?"
1 Answer
Aug 16, 2016
Explanation:
To evaluate h( -7), substitute h = - 7 into h(x).
#h(color(red)(-7))=3|color(red)(-7)|-1# now | -7| = 7
#rArrh(-7)=(3xx7)-1=21-1=20#
