Graph the function. Determine the symmetry, if any, of the function.y = -x2/3
A. Symmetric about the y-axis
B. No symmetry
C. Symmetric about the y-axis
D. No symmetry
Answer: A
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List the critical values of the related function. Then solve the inequality.
> 0
A. -7, 7; (-7, 7) B. -7; (-?, -7) C. -7; (-7, ?) D. No critical values; ?
Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 10x2 - 4y2 - 6z2
A. Yes B. No
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$25,000 - $29,999
A. 0.09 B. 0.07 C. 0.13 D. 0.14
Divide.7.7 ÷ (-11)
A. -1.7 B. -17 C. -7 D. -0.7