Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Answer: A
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The following table shows the running speed R, in centimeters per second, of ants as a function of the temperature T in degrees Celsius. Based on the regression equation, how fast would an ant run when the temperature is 30.9 degrees Celsius? T 25.6 30.3 32.3 34.8 R 2.71 3.42 4.57 5.37? ?
A. 5.39 centimeters per second B. 4.81 centimeters per second C. 4.93 centimeters per second D. 3.97 centimeters per second
A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain. We measure his location as distance up from the base of the mountain. What can be said about the man's velocity when he is hiking up the mountain?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Write the improper fractions as whole or mixed numbers. 
A. 90
B. 92
C. 13
D. 
Solve the problem.A new health food store runs an advertising campaign. Daily sales (in dollars) after x days of advertising are given by ?S(x) = 
By sketching the graph of this function, answer the following questions. What is the horizontal asymptote of the graph? What does this suggest about future sales? Explain your reasoning. If the advertising campaign costs $3200 per day, at what point should it be discontinued? Why?
What will be an ideal response?