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. 
Mathematics
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