Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two numbers is -6 and their product is -216. Find the numbers.
A. 12 and -18
B. 12 and 18; -12 and -18
C. -12 and 18
D. 12 and -18; -12 and 18
Answer: A
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Solve the problem.Find the range and the standard deviation of the following voltages (in volts) of a sample of watch batteries: 1.212, 1.199, 1.201, 1.202, 1.199, 1.198.
A. Range = 0.014 V; standard deviation = 0.0040 V B. Range = 0.013 V; standard deviation = 0.0039 V C. Range = 0.013 V; standard deviation = 0.0040 V D. Range = 0.014 V; standard deviation = 0.0052 V
Solve.The student population of a small school has been increasing as shown in the following table.
Determine the linear, quadratic, or cubic function that best fits the data.
A. f(x) = 5x - 93.33 B. f(x) = x3 - 0.1x2 - 10x + 440 C. f(x) = 0.002x3 - 0.44x2 + 28.19x - 427.30 D. f(x) = 0.1x2 - 10x + 440
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = - 
x5
A. 
B. 
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Solve the problem.Fred bicycles 5 km/h slower than Samantha. In the time it takes Fred to bicycle 56 km, Samantha travels 76 km. How fast does Fred bicycle?
A. 19 km/h B. 9 km/h C. 14 km/h D. 28 km/h