Kenneth S. answered • 10/19/17
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Total Revenue ought to be called by a single letter, lest TR be (mis)interpreted as a product of two quantities. Just call this function R, i.e. R(q), or "R, revenue, a function of quantity q."
evaluate R(2),by regular substitution. Note: the denominator is probably (q+5), needing parentheses. You do not need parentheses around the q in the numerator.
