Answer the question.How can the graph of f(x) = -3|x| be obtained from the graph of 
A. Stretch it vertically by multiplying each y-coordinate by 3. Reflect it across the y-axis.
B. Stretch it vertically by multiplying each y-coordinate by 3. Reflect it across the x-axis.
C. Stretch it vertically by multiplying each y-coordinate by -3. Reflect it across the y-axis.
D. Stretch it vertically by multiplying each y-coordinate by -3. Reflect it across the x-axis.
Answer: B
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Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 70?
B. 84?
C. 56?
D. 
?
Add or subtract. Simplify if possible.
- 
A. 7x
B. 0
C. 
D. 
Use n = 4 to approximate the value of the integral by the trapezoidal rule.
A. 28.8 B. 405.3 C. 431.3 D. 551.3
Find all values x = a where the function is discontinuous.f(x) = 
A. a = 0, 
, 
B. a = 
, - 
C. Nowhere
D. a = 
, 