Find the domain of the rational function.f(x) = 
A. {x|x ? -7, x ? 7, x ? -3}
B. {x|x ? 0, x ? 49}
C. all real numbers
D. {x|x ? -7, x ? 7}
Answer: D
Mathematics
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Indicate whether the function is one-to-one.A = {(-1, 19), (12, 19), (4, -10)}
A. No B. Yes
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Solve the equation.
+ 4 = 
- 2
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
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Solve the problem.Find the beginning of year NAV for ASCPX which has a current net asset value of $4.84 and YTD % Return of 1.3%. Round to the nearest cent.
A. $2.10 B. $4.90 C. $4.78 D. $3.72
Mathematics