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
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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