Chapter A4, Problem 9E

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Exponents Simplify each expression, and eliminate any negative exponents. 29. (a) x.x* (b) (2y²) (c) y=ży? (c) xx 30. (a) y. y (b) (8x)? 31. (a) x-5.x 16 (b) w-?w-*w° (c) 10 32. (a) y ys (b) =z-;-4 (c)

e^x=-6x use graphing utility to solve the equation

4.3 Exponential Functions Exponential or linear? Qntify if each function is exponential or linear. If it is an exponent Function identify the a and b for each and write an equation if not given. If not, explain win 16. -70 30 20 10

Please include explanation on the necessary steps.

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The following data show the relationship between the speed of a car and the required braking distance al that speed for an automobile in dry weather. Create the following scatterplots: Use a blue-colored pencil to plot speed vs. braking distance. Label the axes. Use a green-colored pencil to plot braking distance vs. speed. Label the axes. Braking Distance 27 44 63 85 109 135 164 195 229 265 303 (feet) Speed (mph) 10 15 20 25 30 35 40 45 50 55 60 300 300 250 250 200 200 150 150 100 100 50 50 50 100 150 200 250 300 50 100 150 200 250 300 1. What types of functions could be represented by your scatterplot? 2. How are they alike? How are they different? Communicating About Mathematics If you are traveling at 47 mph, what is the approximate braking distance?