The following table shows the stopping distance D, in feet, for a car that is traveling at a speed of  S miles per hour.
 S 25 35 40 60 75 D 89 138 167 304 436?
Use power regression to answer the following question. If the speed is cut in half, how is the stopping distance affected? Round your answer to two decimal places.
?

A. The stopping distance is multiplied by 0.37.
B. The stopping distance is multiplied by 0.50.
C. The stopping distance is multiplied by 1.52.
D. The stopping distance is multiplied by 1.20.


Answer: A

Mathematics

You might also like to view...

Find all replacements (less than the modulus) for the question mark that make the statement true.6 ? ? ? 8 (mod 10)

A. 3 B. 4, 8 C. 1, 9 D. 3, 8

Mathematics

Solve the rational inequality. Express the solution in interval notation. < 1

A. (-?, -1) B. (-1, ?) C. (-?, -1) ? (8, ?) D. (-1, 8)

Mathematics

Subtract.

A. 2n7 - 24n6 + 6 B. 2n7 - 24n6 - 16 C. 2n7 - 14n6 - 16 D. -16n13

Mathematics

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. What are Mr. Cameron's expected concert earning?

A. $300,000 B. $360,000 C. $60,000 D. $218,400

Mathematics