Identify the graph of the equation over the given interval.
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 
D. y13
Find the mean for the grouped data. Round to the nearest tenth.
A. 72.7 B. 76.5 C. 74.5 D. 68.9
Solve the problem.The half-life of carbon-14 is 5730 years. This means that every 5730 years, the amount of carbon-14 is reduced by 50 percent. Assume that there are currently 3 milligrams of carbon-14 in a piece of petrified wood. Let f(t) represent the amount (in milligrams) of carbon-14 in the wood at t years from now.i) Find a formula for f.ii) How much carbon-14 will be in the piece of wood 1000 years from now?
What will be an ideal response?
For a certain car, the distance traveled by the car while trying to stop is given by the equation d = 0.05r² + r, where r is the speed of the car in miles per hour, and d is the distance needed to stop in feet. Find the total number of feet needed to stop the car traveling at 60 miles per hour. Round any approximate value to 2 decimal places.
a. 240.00 b. 180.00 c. 360.00 d. 300.00 e. 150.00