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 = 19 (during the first 19 minutes)?
A. 16
B. 29
C. -7
D. -21
Answer: C
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Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.3 × 10-35 + 5 × 10-34
A. 5.3 × 10-33 B. 8.0 × 10-34 C. 5.3 × 10-34 D. 5.3 × 10-35
Use simple probability to complete the exercises.You are dealt one card from a standard 52-card deck. Find the probability of being dealt a picture card.
A. 
B. 
C. 
D. 
Use the definite integral to find the area between the x-axis and the graph of f(x) over the indicated interval.f(x) = ex - 1; [-2, 3]
A. 17.7 B. 15.0 C. 7.7 D. 17.2
An open box is to be made from a square piece of material, 38 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure)
?
?
where 
.
Determine the domain of the following function, V(x) represents the volume of the box .
?
?
A. Domain: 
B. Domain: 
C. Domain: 
D. Domain: 
E. Domain: 