Find the slope of the tangent line to the graph of f at the given point.f(x) = -2x + 20 at (8, 4)

A. - 
B. -2
C. 20
D. -20


Answer: B

Mathematics

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Find the mode(s) for the given sample data. 7.06, 7.41, 7.56, 7.06, 7.88, 7.99, 7.62

A. 7.41 B. 7.56 C. 7.511 D. 7.06

Mathematics

Solve the system using the inverse matrix method. 

A. x = 42, y = 62, z = 25; (42, 62, 25) B. x = -2, y = 12, z = -5; (-2, 12, -5) C. x = 7, y = 0, z = 0; (7, 0, 0) D. x = -7, y = 19, z = -5; (-7, 19, -5)

Mathematics

According to industry sources, online banking is expected to take off in the near future. The projected number of households (in millions) using this service is given in the following table:

Mathematics

Find the zeros of the function. Give exact answers.f(x) = 2x2 + 9x + 3

A.
B.
C.
D.

Mathematics