Solve the problem.After a 9% price reduction, a boat sold for $30,940. What was the boat's price before the reduction? (Round to the nearest cent, if necessary.)
A. $33,724.60
B. $34,000
C. $343,777.78
D. $2784.60
Answer: B
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = - t3 + 2t2 - 2t, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 2 m/sec, 0 m/sec2 B. 6 m/sec, -2 m/sec2 C. -6 m/sec, -8 m/sec2 D. 6 m/sec, -8 m/sec2
Provide an appropriate response.In November, Steve uses his credit cards to buy $30.00 of holiday gifts each week. After 8 weeks he begins saving $30.00 each week to pay his credit card bill. Graph the absolute-value function to represent the amount Steve has saved since he started buying holiday gifts over the appropriate domain. (Hint: Let purchases on credit cards represent negative savings.)
What will be an ideal response?
Consider the points plotted in the graph below.
Give the coordinates for points I and J.
A. I: (-5, -4), J: (0, -3) B. I: (-4, -5), J: (-3, 0) C. I: (5, 4), J: (-3, 0) D. I: (5, 4), J: (0, -3)
Solve the problem.A power outage affected all homes and businesses within a 20 mi radius of the power station. If the power station is located 14 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage.
A. x2 + (y + 14)2 = 400 B. x2 + (y - 14)2 = 20 C. x2 + y2 = 400 D. x2 + (y - 14)2 = 400