A graph of y = f(x) follows. No formula for f is given. Graph the given equation.y = f(2x)?

A.

B.

C.

D.


Answer: D

Mathematics

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Find the sum of the series.

A.
B.
C.
D.

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Use Gaussian elimination to solve the system of equations.-2x + 4y = -2-4x = -4 - 8y

A. (-14, -18) B. No solution C. (5, -18) D. (5, 2)

Mathematics

Find the unit vector having the same direction as v.v = -36i + 36j -18k 

A. - i + j - k 
B. i + j + k 
C. - i + j - k 
D. - i + j - k

Mathematics

Determine whether the parabola opens upward or downward.y = x2 + 2x - 5

A. upward B. downward

Mathematics