Solve the problem.Jim drove 180 miles in 5 hours. If he can keep the same pace, how long will it take him to drive 756 miles?
A. 900 hr
B. 42 hr
C. 31 hr
D. 21 hr
Answer: D
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Determine the type of curve from the given information.The path of a planet revolving around the sun is a conic with the sun at one of the two foci. What type of curve is this?
A. Hyperbola B. Circle C. Ellipse D. None of the above
Find the derivative.y = (x + 9)3e-2x
A. -(x + 9)2(2x + 15) e-3x B. -(x + 9)2(2x + 15) e-2x C. -6(x + 9)2e-2x D. (x + 9)2(x + 12) e-2x
Find the exact value of the trigonometric function. Do not use a calculator or tables.cos 
A. 
B. 
C. 
D. - 
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). (i) Use a graphing calculator to fit a linear sequence regression function an = an + b to the data, where n is the cost of advertising (in thousands of dollars) and an is number of products sold (in thousands). (ii) Use this function to estimate the number of products sold if the cost of advertising is $6000.
A. (i) an = 2.79n + 55.8; (ii) 72.54 thousand products B. (i) an = 3.02n + 55.8; (ii) 79.24 thousand products C. (i) an = 5.79n + 94.3; (ii) 16,795.8 products D. (i) an = 2.73n + 34.8; (ii) 69.54 thousand products