Write the expression using exponents.(-6x)(-6x)(-6x)(-6x)
A. -24x
B. (-6x)4
C. -6x4
D. -(6x)4
Answer: B
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Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 400 pretzels B. 200 pretzels C. 100 pretzels D. 800 pretzels
Find the domain and the range of the functions or relations from the graph.
A. domain: [-9, 9]; range: [-8, 8] B. domain: (-?, ?); range: (-?, ?) C. domain: [0, 9]; range: [0, 8] D. domain: [-8, 8]; range: [-9, 9]
Provide an appropriate response.Which of the following statements is correct?
A. present value concerns primarily the future value B. present value may only be found using realistic interest rate assumptions C. present value concerns both the present, and future values D. present value may only be found using a table