Simplify.
Fill in the blank(s) with the appropriate word(s).
-1
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Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 5 cm3/sec. Find the rate of change of its surface area when its volume is 
cm3. (Do not round your answer.)
A. 
cm2/sec
B. 
cm2/sec
C. 
cm2/sec
D. 10? cm2/sec
The width w (in millimeters) of successive growth spirals of the sea shell Catapulus voluto, shown in the illustration, is given by the function 
, where n is the spiral number. To the nearest tenth of a millimeter, find the width of the second spiral.
?
?
A. 8.4 mm B. 3.1 mm C. 2.5 mm D. 4.2 mm E. 11.4 mm
Use long division to divide the polynomials.
A. 7m - 9
B. 7m + 9
C. 7m - 9 + 
D. m - 9
Write an equation for the piecewise function.
A. f(x) = 
B. f(x) = (x - 3)2 - 5
C. f(x) = 
D. f(x) = 