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Chapter 2: Q. 1 (page 89)
The interval (2, 5) can be written as the inequality ___________
The interval (2, 5) can be written as the inequality 2<x<5
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In Problems 45鈥�52, for each graph of a function , find the absolute maximum and the absolute minimum, if they exist.
An economy car rented in Florida from
National Car Rental on a weekly basis costs per week. Extra days cost per day until the day rate exceeds the weekly rate, in which case the weekly rate applies. Also, any part of a day used counts as a full day. Find the cost of renting an economy car as a function of the number of days used, where . Graph this function.
Inscribe a right circular cylinder of height h and radius r in a cone of fixed radius Rand fixed height H. See the illustration. Express the volume V of the cylinder as a function of r.
[Hint: . Note also the similar triangles.]
Match each graph to its function.
A. Constant function B. Identity function C. Square function D. Cube function E. Square root function F. Reciprocal function G. Absolute value function H. Cube root function
True or FalseThe cube root function is odd and is decreasing on the interval .
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