Solve.For H(x) = 
, find all x-values for which H(x) ? 0.
A. (-?, 
? (2, ?) or 
B. (-?, 
or 
C. (-?, 
? (2, ?) or 
D. (2, ?) or {x| x > 2}
Answer: C
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Find the median of the set of data.39, 20, 8, 5, 26, 13, 29, 30, 39, 30
A. 24 B. 29 C. 26 D. 27.5
Find the first six terms of the sequence.a1 = -3, an = an-1 + 7
A. 0, 7, 14, 21, 28, 35 B. -3, 7, 14, 21, 28, 35 C. -3, 4, 11, 18, 25, 32 D. 4, 11, 18, 25, 32, 39
Write a general formula to describe the variation.The volume V of a right circular cone varies directly with the square of its base radius r and its height h. The constant of proportionality is 
?.
A. V = 
r2h
B. V = 
?r2h2
C. V = 
?r2h
D. V = 
?rh
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = -8x + 1
A. f-1(x) = - 
x + 1
B. f-1(x) = - 
x - 1
C. f-1(x) = - 
x + 
D. f-1(x) = - 
x - 