Use a graphing utility to select the graph of the function below. Describe the behavior of the function as x approaches 0.
?
?
A. ?
As x ? 0, f(x) ? 0.
B. ?
?As x ? 0, f(x) ? 0.
C. ?
As x ? 0, f(x) ? 0.
D. ?
As x ? 0, f(x) ? 0.
E. ?
As x ? 0, f(x) ? 0.
Answer: A
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Find the most general antiderivative.
dy
A. 
- 
+ C
B. 2 tan-1 y - ln |y| + C
C. 2 tan-1 y - 5 ln |y| + C
D. 2 tan-1 y + 5 ln |y| + C
Graph the ellipse. Label the intercepts.4x2 + y2 - 100 = 0
A. (-10, 0), (10, 0), (0, -5), (0, 5)
B. (-5, 0), (5, 0), (0, -2), (0, 2)
C. (-5, 0), (5, 0), (0, -10), (0, 10)
D. (-2, 0), (2, 0), (0, -5), (0, 5)
Solve the problem.When a tow truck is called, the cost of the service is given by the linear function 
, where y is in dollars and x is the number of miles the car is towed. Find and interpret the slope and y-intercept of the linear equation.
A. m = 3; The cost of the service increases $3 every mile the car is towed. 
; The cost of the service is $50 if the car is not towed.
B. m = 3; The number of miles the car is towed increases 3 miles for every dollar spent on the service. 
; The tow truck will tow the car 50 miles for no cost.
C. m = 50; The number of miles the car is towed increases 50 miles for every dollar spent on the service. 
; The tow truck will tow the car 3 miles for no cost.
D. m = 50; The cost of the service increases $50 every mile the car is towed. 
; The cost of the service is $3 if the car is not towed.
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.2.3x - 1.5y - 3.3z = 4.44.6x - 7.0y + 0.9z = -2.83.1x + 2.1y + 3.1z = 3.2
A. (0.9, 0.8, -0.7) B. (0.3, 0.3, -0.2) C. (1.2, 1.1, -1.0) D. (0.6, 0.5, -0.5)