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1.1 - MA 141 Spring 2008 WA Section 1.1 1[SCalcCC2 1.1.02/8...

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MA 141 Spring 2008 WA Section 1.1 1. [SCalcCC2 1.1.02.] /8 points Last Response | Show Details All Responses Notes The graphs of f and g are given below. (a) State the values of f (-4) and g (3). f (-4) = -2 g (3) = 4 (b) For what values of x is f ( x ) = g ( x )? -2 (smaller value) 2 (larger value) (c) Estimate the solution of the equation f ( x ) = -1. x = - 3 (smaller value) x = 4 (larger value) (d) On what interval is f decreasing? [0 ,4 ] (e) State the domain and range of f .
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Domain [- 4 ,4 ] Range [- 2 ,3 ] (f) State the domain and range of g . Domain [- 4 ,3 ] Range [0.5 ,4 ] 2. [SCalcCC2 1.1.18.] /1 points Last Response | Show Details All Responses Notes Temperature readings T (in °C) were recorded every two hours from midnight to 2:00 P.M. in Cairo, Egypt, on July 21, 1999. The time t was measured in hours from midnight. (a) Use the readings to sketch a rough graph of T as a function of t . (Do this on paper. Your teacher may ask you to turn in this graph.) (b) Use your graph to estimate the temperature at 5:00 A.M. 30.5 °C 3. [SCalcCC2 1.1.20.] /1 points Last Response | Show Details All Responses Notes
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