Find the domain and the range for the function.
A. Domain: (-?, ?), Range: (-?, ?)
B. Domain: 
, Range: [0, ?)
C. Domain: 
, Range: (-?, 0]
D. Domain: [0, ?), Range: 
Answer: A
Mathematics
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Set up the general equation from the given statement.The illumination I produced on a surface by a source of light varies directly as the candlepower c of the source and inversely as the square of the distance d between the source and the surface.
A. I = 
B. I = 
C. I = 
D. I = 
Mathematics
Divide and write answer in lowest terms.2
÷ 1
A. 2
B. 2
C. 3
D. 2
Mathematics
The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(0, 
)
A. (7, 90°)
B. (7, 270°)
C. (
, 90°)
D. (
, 270°)
Mathematics
Draw the graph of the equation.(x + 2)2 = -6(y - 2)
A. 
B. 
C. 
D. 
Mathematics