Functional notation

If ƒ(x) = x²-1 and g(x) = 3x, calculate g(4) / ƒ(2)

 

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in Algebra 1 Answers by Level 1 User (860 points)

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1 Answer

put 4 into x in g(x) so g(4) = 3(4) = 12

put 2 into x for f(x) so f(2) = 2^2 -1 = 3

then do 12/3 = 4

so g(4)/f(2) = 4
by Level 5 User (11.9k points)

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