Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with right-end point values.
A. 166 in.
B. 170 in.
C. 160 in.
D. 176 in.
Answer: B
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For the given function:a) Describe an appropriate domain and range for the function.b) Make a rough sketch of a graph of the function. c) Briefly discuss the validity of your graph as a model of the true function.(time spent studying, percentage on exam)
What will be an ideal response?
Solve. Give your answer as a mixed number if appropriate.
= 
A. 138
B. 2
C. 21
D. 28
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(7x3/4)(7x2/3)
A. 49x17/12 B. 49x17/7 C. 49x5/12 D. 49x3/4
Solve by using the simplex method.Maximize3x1?+ 4x2subject tox1?+ 2x2? 85x1+ 4x2? 35and x1 ? 0, x2 ? 0
A. Maximum = 
when x1 = 
and x2 = 
B. Maximum = 21 when x1 = 7 and x2 = 0
C. Maximum = 16 when x1 = 0 and x2 = 4
D. Maximum = 
when x1 = 
and x2 = 