Evaluate f(x) at the given value of x.f(x) = x2 + 3; x = 9

A. 84
B. 81
C. 80
D. 86


Answer: A

Mathematics

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Graph the exponential function.y = 3x 

A.

B.

C.

D.

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Find an equation for the ellipse described.Focus at (-2, 0); vertices at (-8, 0) and (8, 0)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

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Find the real or imaginary solutions by completing the square.2x2 - 4x - 6 = 0

A.
B.
C.
D.

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Perform the indicated elementary row operations.R13

A.

B.

C.

D.

Mathematics