Perform the multiplication.
A. 0.0004
B. 0.00004
C. 0.04
D. 0.004
Answer: D
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Determine whether the relation is a function.y = 3x - 2
A. function B. not a function
Solve the linear programming problem.An automotive glass plant must be able to fill orders for 230 truck windshields, 350 auto windshields, and 310 RV windshields. Because the first-shift crews are more experienced, they are each able to make 7 truck windshields, 12 auto windshields, and 9 RV windshields. The second-shift crews are able to produce 4 truck windshields, 12 auto windshields, and 7 RV windshields. The first-shift crews cost the company $360.00 per crew per shift, and the second-shift crews cost $310.00 per crew per shift. The company's facilities will handle at most 50 crews on each shift, and they must have at least 10 crews come in to keep the plant running. How many first-shift and how many second-shift crews should be scheduled to minimize costs?
A. 37 first-shift crews and 36 second-shift crews B. 43 first-shift crews and 24 second-shift crews C. 28 first-shift crews and 10 second-shift crews D. 51 first-shift crews and 17 second-shift crews
Find the axis of symmetry of the given function.g(x) = 6x2 - 120x + 605
A. x = 5 B. x = -5 C. x = 10 D. x = 0
Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.
Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 20 months B. 8 months C. 10 months D. 12 months