Find the area or volume.Find the area under the curve y = 
bounded on the left by x = 3.
A. 
B. 1
C. 4
D. 
Answer: B
Mathematics
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Evaluate the integral.
A. 5 ln 
+ C
B. 
ln 
+ C
C. 
csch2 5x + C
D. ln 
+ C
Mathematics
Find the principal unit normal vector N for the curve r(t).r(t) = (t2 + 8)j + (2t - 1)k
A. N(t) = - 
j + 
k
B. N(t) = - 
j + 
k
C. N(t) = 
j - 
k
D. N(t) = 
j - 
k
Mathematics
Solve the problem.At the beginning of the summer, Jon was 52.5 inches tall. By the end of the summer, he had grown 1.3 inches. What was his height at the end of the summer?
A. 52.8 in. B. 53.9 in. C. 65.5 in. D. 53.8 in.
Mathematics
Insert either < or > to make a true statement.-9.0 
-1.0
A. < B. >
Mathematics