Find the limit.
tan x
A. 1
B. ?
C. 0
D. -?
Answer: D
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Solve the problem.A father and son are in a terrible car accident. The father is killed. The son, badly injured, is brought to the hospital for emergency surgery. The surgeon takes one look at the patient and exclaims, "That's my son!" How is this possible?
What will be an ideal response?
Solve the problem.How close does the curve y = 
come to the point 
? (Hint: If you minimize the square of the distance, you can avoid square roots.)
A. The distance is minimized when x = 0; the minimum distance is 
units.
B. The distance is minimized when x = - 
; the minimum distance is 
units.
C. The distance is minimized when x = 3; the minimum distance is 
units.
D. The distance is minimized when x = 0; the minimum distance is 
units.
Answer the question.The length of a rectangle is three inches more than the width. The area of the rectangle is 180 inches. If the width is x, what is the length in terms of x?
A. x + 3 B. 3 - x C. 3x D. x - 3
Factor.6x2 - 26x - 20
A. 2(3x - 2)(x + 5) B. (3x + 2)(2x - 10) C. 2(3x + 2)(x - 5) D. (6x + 4)(x - 5)