Use a positive rational exponent to write the expression.
A. x-5/2
B. x-2/5
C. -x2/5
D. x5/2
Answer: D
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Find the product.(6x - 5 + 6y)2
A. 36x2 - 60x + 72xy - 60y + 36y2 B. 36x2 - 60x + 25 + 72xy - 60y + 36y2 C. 36x2 - 60x + 25 + 36xy + 30y + 36y2 D. 36x2 - 30x + 25 + 36xy + 30y + 36y2
Solve the problem.Which of the following [A), B), C), or D)] can be a negative number?
A. the variance of a data set B. the range of a data set C. the standard deviation of a data set D. the interquartile range of a data set E. none of these can be negative numbers.
Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Find a set of parametric equations evaluated over 0 ? t ? 2? that produces the graph shown.
A.
| x1 = t/?, | y1 = t/? |
| x2 = 2t/?, | y2 = 0 |
| x3 = 2 + t/?, | y3 = 2 - t/? |
B.
| x1 = -1 + t/?, | y1 = -4 + t/? |
| x2 = -1 + 2t/?, | y2 = -4 |
| x3 = 1 + 2t/?, | y3 = -2 - t/? |
C.
| x1 = -1 + t/?, | y1 = -4 + t/? |
| x2 = -1 + t/?, | y2 = -4 |
| x3 = 1 + t/?, | y3 = -2 + t/? |
D.
| x1 = -1 + t/?, | y1 = 1 + 3sin(t) |
| x2 = -1 + 2t/?, | y2 = -4 |
| x3 = -1 + t/?, | y3 = 2 - t/? |
Evaluate the function at the indicated value.Find f(6) when f(x) = 
.
A. 
B. 2
C. 
D. 