Decide whether the proportion is true or false.
= 
A. True
B. False
Answer: B
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Provide an appropriate response.The position of an object in free fall near the surface of the plane where the acceleration due to gravity has a constant magnitude of g (length-units)/sec2 is given by the equation: s = -
gt2 + v0t + s0, where s is the height above the earth, v0 is the initial velocity, and s0 is the initial height. Give the initial value problem for this situation. Solve it to check its validity. Remember the positive direction is the upward direction.
A. 
= -g , s '(0) = v0, s(0) = s0
B. 
= g , s '(0) = v0, s(0) = s0
C. 
= -g
D. 
= -gt , s(0) = s0
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 5.5 in.; d = 9.5 in. B. w = 6.5 in.; d = 10.5 in. C. w = 6.5 in.; d = 8.5 in. D. w = 4.5 in.; d = 10.5 in.
Simplify the radical expression.
? 
A. 
B. 2
C. 2
D. 
Solve the problem.A music store manager collected data regarding price and quantity demanded of cassette tapes every week for 10 weeks, and found that the exponential function of best fit to the data was 
Express the function of best fit in the form p = p0ekq, and use this expression to predict the quantity demanded if the price is $8.50.
What will be an ideal response?