Use the horizontal line test to determine whether the function is one-to-one.
A. Yes
B. No
Answer: A
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Solve the problem.A diving pool that is 7 m deep and full of water has a viewing window on one of its vertical walls. Find the force on a circular window, with a radius of 0.5 m, tangent to the bottom of the pool. Round to three decimal places when appropriate.
A. 68,508.92 N B. 6533.333 N C. 50,029.863 N D. 56,563.196 N
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. There are currently 78 million cars in a certain country, decreasing by 0.8% annually. How many years will it take for this country to have 60 million cars? Round to the nearest year.
A. 18 years B. 361 years C. 33 years D. 23 years
Solve this equation.-16k = 16
A. k = 16 B. k = 0 C. k = -1 D. k = 1
The graph of a limacon curve is given. Without using your graphing calculator, determine which equation is correct for the graph.
[-5, 5] by [-5, 5]
A. r = 2 - 3 sin ? B. r = 2 - 2 sin ? C. r = 4 - sin ? D. r = 3 - 2 sin ?