Rewrite the expression with a rational exponent.6y
A. 6yx3/7
B. 
C. (6yx)3/7
D. 6yx7/3
Answer: A
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -3, v '(2) = -4.
at x = 2
A. - 
B. - 10
C. 
D. 
Describe the situation with a linear inequality and then solve the inequality.David has $13,000 to invest. He invests $8000 in a mutual fund that pays 12% annual simple interest. If he wants to make at least $2200 in yearly interest, at what minimum rate does the remainder of the money need to be invested?
A. 22.8% B. 24.8% C. 26.8% D. 23.8%
Find the time-and-a-half rate for the regular rate.$9
A. $13.50 B. $18.00 C. $12.60 D. $15.75
Solve and graph. Write the solution set in set-builder and interval notation.x > -7 
A. {x
x < -7}; (-?, -7) 
B. {x
x ? -7}; [-7, ?) 
C. {x
x ? -7}; (-?, -7] 
D. {x
x > -7}; (-7, ?)