Identify the center and radius of the circle.
?
?
A. Center: (0,0)Radius: 4
B. Center: (0,-1)Radius: 16
C. Center: (-1,0)Radius: 4
D. Center: (1,0)Radius: 4
E. Center: (0,0)Radius: 16
Answer: A
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Simplify the expression. If any variables exist, assume that they are positive.6
- 3
- 
A. 14x
B. 2x
C. 3x
D. 15x
Perform the indicated exponentiation.-24
A. -16 B. -8 C. 8 D. 16
Explain how the graph of f can be obtained from the graph of y = 
or y = 
. f(x) = 
+ 3
A. Shift the graph of y = 
to the left 2 units and downward 3 units.
B. Shift the graph of y = 
to the left 3 units and downward 2 units.
C. Shift the graph of y = 
to the right 3 units and upward 2 units.
D. Shift the graph of y = 
to the right 2 units and upward 3 units.
Let f(x, y) = xy2 + x2. Simplify 
for h ? 0.Enter your answer exactly in the form: 
What will be an ideal response?