Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 3
- 2
A. -14x
B. -5x
C. -5x
D. -14x
Answer: D
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Graph the inequality in a rectangular coordinate system.y ? 2 
A. 
B. 
C. 
D. 
The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. C = position, B = velocity, A = acceleration B. B = position, A = velocity, C = acceleration C. B = position, C = velocity, A = acceleration D. C = position, A = velocity, B = acceleration
Identify the equation as either an identity or not.tan2x = sec2x - sin2x - cos2x
A. Identity B. Not an identity
Answer the question.Which of the following is NOT listed as a suggestion to follow before each class meeting?
A. Prepare a list of questions. B. Make sure you are mentally prepared for class. C. Read the section that will be covered in the upcoming class. D. Complete all of the homework for the section that will be covered in the upcoming class.