Solve and graph. Write the result in interval notation.5x < -45
A. (-9, ?)
B. (-?, -9)
C. [-9, ?)
D. (-?, -9]
Answer: B
Mathematics
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The demand function for a certain make of replacement cartridges for a water purifier is given by
?
?
where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is set at $1/cartridge. Round your answer to the nearest dollar.
?
A. $22,006 B. $21,526 C. $21,445 D. $21,667
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 4)
D. none
Mathematics
Provide an appropriate response.Is 
simplified?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the center of the hyperbola.y2 - x2 - 10y + 8x - 16 = 0
A. (4, 0) B. (4, 5) C. (-1, 5) D. (-4, -5)
Mathematics