Solve the inequality, and then express in interval notation.
? 
A. x ? 
; 
B. x ? 
; 
C. x ? - 
; 
D. x ? 
; 
Answer: D
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Answer the question. POLLUTION 
Years since 1990Use the ordered pairs (1, 12.82), (4, 17.92), and (8, 16.88) to find a quadratic function that models the data. Round the values of a, b, and c to two decimal places.
A. f(x) = 0.28x2 + 3.10x + 10.00 B. f(x) = -3.1x2 - 0.28x + 10.00 C. f(x) = 3.10x2 - 0.28x + 10.00 D. f(x) = -0.28x2 + 3.10x + 10.00
Solve the problem.Each week a soft drink machine sells x cans of soda for $0.75/soda. The cost to the owner of the soda machine for each soda is $0.10. The weekly fixed cost for maintaining the soda machine is $25/week. Write an equation that relates the weekly profit, P, in dollars to the number of cans sold each week. Then use the equation to find the weekly profit when 92 cans of soda are sold in a week.
What will be an ideal response?
Find the quotient and simplify.
÷ 
A. 2x7(x + 9)
B. x7(x + 9)
C. x8(x + 9)
D. 
Solve the problem.The hemispherical bowl of radius 5 contains water to a depth 1. Find the volume of water in the bowl.
A. 
?
B. 88?
C. 
?
D. 
?