Posted by **Julie Hurley** on Friday, June 1, 2012 at 5:46pm.

Can you explain to us if we have the functions c(t) = 3t + 2, where c is the cost in dollars of t hours of tutoring and t(m) = m2 - 1 where t is hours of tutoring and m is the number of minutes tutored, what the input and output values would be of the composite function c(t(m))?

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