Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
?r2
B. V = 
?r
C. V = 
? 
D. V = 
?r3
Answer: D
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Sketch a graph of a function f that has the given properties.(a) Defined for all real numbers(b) Increasing for -3 < x < -1 and 2 < x < ?(c) Decreasing for -? < x < -3 and -1 < x < 2(d) Concave upward for -? < x < -2 and 1 < x < ?(e) Concave downward for -2 < x < 1(f) f'(-3) = f'(-1) = f'(2) = 0(g) Inflection point at (-2, 0) and (1, 1)
What will be an ideal response?
Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = 
, r = 
A. 
, 
, 
, 
, 
, 2
B. 
, 
, 
, 
, 
, 
C. 
, 
, 
, 
, 2, 
D. 
, 
, 
, 
, 
, 
Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.sin ? = 
Find tan ?.
A. 
B. 2
C. 
D. 
Evaluate. 
What will be an ideal response?