The given pattern continues. Write down the nth term of the sequence suggested by the pattern.
, 
, 
, 
, 
, ...
A. an = 
B. an = 
n-1
C. an = 
D. an = 
Answer: D
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Find the center (h, k) and radius r of the circle with the given equation. 2(x - 5)2 + 2(y - 6)2 = 32
A. (h, k) = (5, 6); r = 8 B. (h, k) = (-5, -6); r = 8 C. (h, k) = (-5, -6); r = 4 D. (h, k) = (5, 6); r = 4
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = 6x3 - 7
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 7
D. Not one-to-one
Solve the problem.Sue wants to put a rectangular garden on her property using 70 meters of fencing. There is a river that runs through her property so she decides to increase the size of the garden by using the river as one side of the rectangle. (Fencing is then needed only on the other three sides.) Let x represent the length of the side of the rectangle along the river. Express the garden's area as a function of x.
A. A(x) = 34x - 
x2
B. A(x) = 36x - 2x2
C. A(x) = 35x - 
x2
D. A(x) = 35x2 - x