4.5-4.8_Review_Key - Date______________ Name_____________...

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Unformatted text preview: Date______________ Name_____________ PreCalculus Chapter Review 4.5-4.8 1. In the space below, explain how the graph of the function sec 2 y x = - is related to a basic trigonometric graph. Determine the period, domain, range, zeroes, and asymptotes (if any). Then sketch the graph of the function. No calculator. Show critical values on the graph. 1. Period=_______________ Domain=_____________ Range=_______________ Zeroes=______________ Asymptotes=__________ Graph: 2. Solve the equation cot 3.2 x = - for x in the interval 3 x graphically. Estimate the answers to the nearest hundredth. 2. _____________________ 3. Find the approximate values of a , b , and h (to the nearest hundredth so that ( ) sin[ ( )] f x a b x h - . ( ) 4sin 3 6cos3 f x x x - . Use calculator 3. a __________________ b __________________ h __________________ 4. Which is the correct value of 1 cos (0.4)- . (Express the answer in radians to the nearest hundredth)....
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4.5-4.8_Review_Key - Date______________ Name_____________...

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