Use the graph of a known basic function and a combination of transformations to sketch the function.f(x) = -2(x + 1)2 + 3
A. 
B. 
C. 
D. 
Answer: B
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Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.0.9485
A. 0.949, 0.95, 0.9 B. 0.949, 0.94, 1.0 C. 0.9485, 0.948, 0.94 D. 0.948, 0.94, 0.9
Perform the indicated operations. (Remember that the order of operations is to multiply or divide from left to right.)
? 
÷ 
A. 
B. 
C. 
D. 1
Find the limit as x approaches c of the average rate of change of the function from c to x.c = -3; f(x) = 2x2 + 3
A. 18 B. -12 C. Does not exist D. -9
Answer the question asked. When necessary, round to the nearest hundredth.A barge takes 4 hours to move (at a constant rate) downstream for 40 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 4 hr B. 7 hr C. 80 hr D. 10 hr