Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 40 mph.
A. 5 mph
B. 10 mph
C. 41 mph
D. 4 mph
Answer: A
Mathematics
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Solve the problem.Let A(x) be the area of the region bounded by the t-axis and the graph of y = f(t) from t = 0 to t = x. Consider the following graph where f(t) = 12. Find A(6) and find a formula for A(x).
A. A(6) = 72; A(x) = 12x B. A(6) = 72; A(x) = 12x2 C. A(6) = 36; A(x) = 12 + x D. A(6) = 144; A(x) = 12x
Mathematics
Express in simplified form. Assume that all variables represent positive real numbers. -
A. -3xy2 + 
B. -3xy2
C. 3xy2
D. 3xy2
Mathematics
Fill in the blank with one of the words listed below.
A(n) 
equation can be written in the form Ax + By = C.
A. slope B. solution C. linear D. relation
Mathematics
Solve the equation by factoring.(8y + 23)(4y + 29) = 0
A. 
B. {15, 25}
C. 
D. 
Mathematics