Find the exact value of the trigonometric expression without the use of a calculator.tan 285°
A. 
B. 2 + 
C. 
D. -2 - 
Answer: D
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Solve the problem.Prove that 
dt = k 
dt for any scalar constant k.
What will be an ideal response?
Graph the inequality.2x + y ? 6
A. 
B. 
C. 
D. 
Simplify the expression.
?
?
A. 
B. 
C. 0
D. 
E. 
Use the line graph to solve the problem.The line graph represents the gallons of water in a swimming pool after x hours. There is a pump that can either add or remove water from the pool. Find the slope of the line segment from (0, 98) to 
Interpret this slope as a rate of change.
A. m = 50; The pump is adding water at a rate of 50 gallons per hour. B. m = 200; The pump is adding water at a rate of 200 gallons per hour. C. m = 100; The pump is adding water at a rate of 100 gallons per hour. D. m = -200; The pump is removing water at a rate of 200 gallons per hour.