Write a negation for the statement.x ? -66
A. x ? -66
B. x < 66
C. x = 66
D. x < -66
Answer: D
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Use a power regression model for the following data to answer the following question. If x is increased by 31.00%, what is the effect on y? x 1 3 4 7 8 y 3.82 12.8 13.24 26.97 32.77?
A. y is increased by 30.64%. B. y is decreased by 31.35%. C. y is increased by 31.35%. D. y is decreased by 30.64%.
For the compound inequality, decide whether intersection or union should be used. Then give the solution set in both interval and graph forms.x ? -6 or x > 6
A. Intersection; ?
B. Union; (-?, ?)
C. Union; (-?, -6] ? (6, ?)
D. Union; [-6, 6)
Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 25 minutes requires 12.5 gallons of water. Find the amount of water used in a shower lasting 10 minutes.
A. 20 gallons B. 31.25 gallons C. 1.25 gallons D. 5 gallons
Solve for y.2x + y = 5
A. y = 2(x - 5)
B. y = 5 - 2x
C. y = 
D. y = 2x - 5