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If h(x) = x-9, find f(8)

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When doing f(x) functions, what ever number is in the parenthesis, substitute that for the corresponding letter. Note: there can be any letter in from of the (x), just pay attention to the letter in the parenthesis. Her is how yo do this one:

h(x)= x-9

f(8)

h(x)=8-9

h(x)= -1

hope this helps! Comment if you have any questions.

User AWhitford
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