Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Hyperbola
B. Ellipse
C. Parabola
Answer: B
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Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?
Solve the equation for the specified variable.
+ 
= c for b
A. b = 
- a
B. b = 
C. b = 
D. b = ac - 
Solve the problem.A towing company charges a fixed amount in addition to a per-mile charge to tow a car. The total charge y in dollars is related to the towing distance x in miles by the equation 
(a) Sketch the graph of this equation for 0 ? x ? 25.(b) What is the charge of towing a car for 15 miles?(c) If the company charged a customer $50 to tow his car, what was the corresponding towing distance? 
What will be an ideal response?
Graph the function.f(x) = e-0.3x
A. 
B. 
C. 
D. 