Use the graph to determine the domain and range of the function. 
A. domain: {x|x ? -3, x ? 3}
range: all real numbers
B. domain: {x|x ? -3, x ? 3}
range: {y|y ? 0}
C. domain: all real numbers
range: {y|y ? -3, y ? 3}
D. domain: all real numbers
range: all real numbers
Answer: A
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Find the specific function value.Find f(5, 0, 8) when f(x, y, z) = 5x2 + 5y2 - z2.
A. 65 B. -39 C. 61 D. 189
Solve the problem.How long will it take for $9900 to grow to $33,200 at an interest rate of 2.4% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 202.27 B. 51.02 C. 50.57 D. 140.15
The graph represents the 24-hour day of a small-business owner.
What activity takes the most time? How many hours?
A. Work, 10 hours B. Sleep, 8 hours C. Work, 8 hours D. Work, 12 hours
Solve the equation.a - 8 = 6
A. 2 B. 14 C. -2 D. -14