In the exercise below, the initial substitution of x = a yields the form 0/0. Look for ways to simplify the function algebraically, or use a table and/or graph to determine the limit. When necessary, state that the limit does not exist.
A. 
B. 
C. - 
D. - 
Answer: D
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Perform the operation and simplify.
?
?
A. ?
B. ?
C. ?
D. 0
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = sin (-2x) ; g(x) = sin x
A. Horizontal shrink by a factor of 
, reflection across y-axis
B. Horizontal stretch by a factor of 2, reflection across y-axis
C. Vertical stretch by a factor of 2, reflection across x-axis
D. Horizontal shrink by a factor of 
, reflection across x-axis
Solve the problem.Find the surface area S of a right circular cylinder with radius 6 cm, and height 7 cm. Use 3.14 for ?. Round your answer to one decimal place.
A. 358.0 cm2 B. 244.9 cm2 C. 791.3 cm2 D. 489.8 cm2