Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Interpret 
.
A. The rate of change in speed per unit change in distance while volume is held constant.
B. The rate of change in volume per unit change in speed while distance is held constant..
C. The rate of change in speed per unit change in volume and distance.
D. The rate of change in speed per unit change in volume while distance is held constant.
Answer: D
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Provide an appropriate response.You wish to test the hypotheses shown below. Null hypothesis: mean = 40 Alternative hypothesis: mean > 40Would you be inclined to reject the null hypothesis if the sample mean turned out to be much smaller than 40? Explain your thinking.
What will be an ideal response?
Find the eccentricity of the hyperbola.8x2 - 9y2 = 72
A. 
B. 
C. 
D. 
Provide an appropriate response.Describe how the graph of y = x2 - 4 differs from the graph of 
.
What will be an ideal response?
Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 18(x + 3) = 2(9x - 1) + 56
A. ? B. {x|x is a real number} C. {0} D. {54}