Solve the problem.What are the dimensions of a rectangular box, open at the top, which has maximum volume when the surface area is 48 in.2?
A. x = 8 in., y = 2 in., z = 6 in.
B. x = 6 in., y = 6 in., z = 3 in.
C. x = 4 in., y = 2 in., z = 2 in.
D. x = 4 in., y = 4 in., z = 2 in.
Answer: D
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Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 4 above is called a(n) 
.
A. subtrahend B. sum C. factor D. addend
Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.y = sec 
x
A. Vertical translation up 10 units
B. Horizontal shrink by a factor of 
C. Vertical shrink by a factor of 
D. Horizontal stretch by a factor of 10
Use the graph to find the vertical asymptotes, if any, of the function.
A. x = 0 B. x = 0, y = 0 C. none D. y = 0
Determine the slope and the y-intercept of the graph of the equation.2x + y - 6 = 0
A. m = - 
; 
B. m = 
; 
C. m = -2; (0, 6)
D. m = 2; (0, 6)