Solve the problem.Find the average rate of change illustrated in the graph.
Time (in hours)
A. 5 miles per hour
B. 25 miles per hour
C. 2.5 miles per hour
D. 0.2 miles per hour
Answer: A
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Suppose that the radius of convergence of the power series  Figure 3.png)
is 9. What is the radius of convergence of the power series  ANSWER.png)
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Solve the problem.Sue has taken four exams so far in her History course. His scores are 72.4, 78.2, 93, and 87.5. What is the average of these scores?
A. 82.775 B. 84.975 C. 81.375 D. 82.925
Use a calculator to solve the equation on the interval [0, 2?). Round to the nearest hundredth of a radian.cos 3x = - cos x
A. 0.79, 1.57, 2.36, 3.93, 4.71, 5.50 B. 0, 1.57, 3.14, 4.71 C. 1.57, 4.71 D. 0, 0.79, 2.36, 3.14, 3.93, 5.50
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400