We locate the position of a car driving on an east-west highway as distance east. If the car is driving east at a speed of 65 miles per hour, what can be said about velocity?
A. Velocity is 65 miles per hour.
B. Velocity is -65 miles per hour.
C. Velocity is 0 miles per hour.
D. None of the above.
Answer: A
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Evaluate the expression.
A. 5 B. -1 C. 6 D. 1
Find the area under the curve of the function on the stated interval. Do so by dividing the interval into n equal subintervals and finding the area of the corresponding circumscribed polygon.f(x) = 2x2 + x + 3 from x = 0 to x = 6; n = 6
A. 211 B. 200 C. 230 D. 221
Solve the problem.A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 95x + 3720.The sales department estimates that the revenue, R(x), from selling x units will be R(x) = 105x,but that no more than 987 units can be sold at that price. Find and interpret (R - C)(987).
A. $1359 profit, income exceeds cost It is worth it to develop product. B. -$6150 loss, cost exceeds income It is not worth it to develop product. C. $201,120 profit, income exceeds cost It is worth it to develop product. D. $6150 profit, income exceeds cost It is worth it to develop product.
Find the indefinite integral by making the substitution 
.
?
?
A. 
B. 
C. 
D. 
E. 