Solve the problem. Round your answer, if appropriate.In a certain memory experiment, subject A is able to memorize words at a rate given by In the same memory experiment, subject B is able to memorize at the rate given by  How many more words does subject B memorize from t = 0 to t = 15 (during the first 15 minutes)?

A. 19
B. -10
C. 12
D. -3


Answer: D

Mathematics

You might also like to view...

Use the graph to find a ? > 0 such that for all x, 0 <  < ? ?  < ?.

A. 0.22 B. 0.51 C. 1 D. 0.29

Mathematics

Solve the inequality by using the graph of the function.f(x) > 0, where f(x) = (x + 5)(x - 1)2.

A. (-?, ?) B. (-5, ?) C. (-5, 1) ? (1, ?) D. (-5, -1) ? (-1, ?)

Mathematics

Solve.A company rents a mid-size car at $318 per month for eight months. What is the cost for the car rental during this time?

A. $2576 B. $326 C. $2544 D. $2493

Mathematics

Solve.The population growth of an animal species is described by where t is the number of months since the species was introduced. Find the population of this species in an area 6 months after the species is introduced.

A. 74 B. 240 C. 470 D. 704

Mathematics