Find the root.

A. 27
B. Not a real number
C. 9
D. 3


Answer: D

Mathematics

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The table lists some input-output pairs for an exponential function f. Use the table to find the requested value.Find f(3). 

A. 8 B. 3 C. 6 D. 2

Mathematics

Use conversion factors to convert the units of measure.6.25 tons to pounds

A. 12,500 lb. B. 0.03125 lb. C. 1,250 lb. D. 0.003125 lb.

Mathematics

Factor by grouping.(x - 5)(x - 7) + (x - 5)

A. (x - 5)(x - 6) B. (x + 5)(x + 8) C. (x + 5)(x - 8) D. (x - 5)(x - 8)

Mathematics

Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.(-3, -81)

A. y = - x2
B. y = 9x2
C. y = -3x2
D. y = -9x2

Mathematics