Write the number in expanded form.87
A. (8 × 101) + (7 × 102)
B. (8 × 102) + (7 × 101)
C. (8 × 100) + (7 × 101)
D. (8 × 101) + (7 × 100)
Answer: D
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Provide an appropriate response.What is a mathematical representation of a function that provides detailed information but can become unwieldy?
A. Data table B. Domain C. Graph D. Equation
A manufacturer of a certain commodity has estimated that her profit in thousands of dollars is given by the expression
?
?
where x (in thousands) is the number of units produced.
?
What production range will enable the manufacturer to realize a profit of at least $8,000 on the commodity?
?
Between _________ and ________ units.
What will be an ideal response?
Find the domain of the rational expression. 
A. {x|x is a real number and x ? 8} B. {x|x is a real number and x ? 8 and x ? 1} C. {x|x is a real number} D. {x|x is a real number and x ? -8}
If 
with A in QIII, find
?
A. 
B. ?
C. ?
D. ?
E. ?