Provide an appropriate response.Evaluate 3x2 - 3xy + 2y2 when x = 3 and y = -5.
A. 68
B. 226
C. 122
D. 138
Answer: C
Mathematics
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Find the area of the shaded region.
y = -x4
A. 
B. 
C. 2
D. 
Mathematics
Find parametric equations for the line through the point (4,5,5) that is parallel to the plane x+y+z=-15 and perpendicular to the line x=15+t, y=12-t, z=3t.
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Mathematics
For the given function expressed verbally, give a symbolic representation.Surveyors use the "link" as a unit of measure. To convert x inches to y links, divide x by 7.92. Let y = f(x).
A. f(x) = x/7.92 B. f(x) = 7.92 - x C. f(x) = 7.92x D. f(x) = 7.92/x
Mathematics
Use the order of operations to simplify the expression.(-10)(
) - (-9)(-10)
A. -140 B. 90 C. -50 D. 40
Mathematics