Use cubic regression to model the following data. Round your answers to two decimal places, if necessary.
x 1 3 4 6 7 9 10 11 y 7 4 1 2 6 9 5 2?
A. 
B. 
C. ?
D. ?
Answer: A
Mathematics
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Determine where the graph of the function is increasing, decreasing, concave up, concave down. Then sketch the graph.F(x) = 2x3 + 9x2 + 12x
A. 
B. 
C. 
D. 
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Provide an appropriate response.For f(x) = 7(3)x, is the sequence f(1), f(2), f(3), ... arithmetic, geometric, or neither?
A. arithmetic B. neither C. geometric
Mathematics
Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = - 3 cos 
x
A. y = 3 sec 
x
B. y = - 3 sin 
x
C. y = - 3 sec 
x
D. y = - 3 csc 
x
Mathematics
Solve the equation.log5x = 3
A. 
B. 
C. 
D. 
Mathematics