Solve the problem.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 = 17 (during the first 17 minutes)?
A. -29
B. -10
C. 77
D. 72
Answer: B
Mathematics
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Solve the problem.A student is told to answer any 7 out of 10 questions on an exam. In how many different ways can he choose the 7 questions to answer?
A. 720 B. 10,000,000 C. 120 D. 21
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 9 at 
minimum: -9 at 
B. Maximum: 1 at 
minimum: -1 at 
C. Maximum: 1 at 
minimum: -1 at 
D. Maximum: 8 at 
minimum: -8 at 
Mathematics
Use spherical coordinates to find the volume of the indicated region.the region inside the solid sphere 
that lies between the cones 
and 
A. 
?
B. 9?
C. 
?
D. 
?
Mathematics
Use the graph of f to evaluate each expression.f(1), f(0)
A. -5, -4 B. -5, 4 C. -3, -4 D. -3, 4
Mathematics