Find the domain of the function.
A. {x|7 ? x ? 31}
B. {x|-7 ? x < 7 or 7 < x ? 31}
C. {x|x ? -7}
D. {x|-7 ? x ? 31}
Answer: D
Mathematics
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Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
Find the following. Assume that the letter can represent any real number.
A. 
- 7
B. 
- 7
C. (z - 7)2
D. 
Mathematics
Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = x, g(x) = x + 2
A. g shifts the graph of f vertically up 2 units
B. g shifts the graph of f vertically down 2 units
C. g shifts the graph of f vertically down 2 units
D. g shifts the graph of f vertically up 2 units
Mathematics
Write the expression in exponential form. Assume that all variables represent positive real numbers. 
A. 92 B. 95/3 C. 93/5 D. 9-3/5
Mathematics