Identify the given function as a linear function, a quadratic function, or a rational function.f(x) = x2 - 3x - 18
A. Linear
B. Rational
C. Quadratic
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the region of density 
bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 1
C. 
= 0, 
= 0, 
= 2
D. 
= 0, 
= 0, 
= 
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.(-3, -7) and (0, -5)
A. y = 
x - 5
B. y = - 
x - 5
C. y = 
x - 5
D. y = - 
x - 5
Mathematics
Graph the ellipse and locate the foci.
+ 
= 1 
A. foci at (0, 
) and (0, -
)
B. foci at (2
, 0) and (-2
, 0)
C. foci at (0, 2
) and (0, -2
)
D. foci at (
, 0) and (-
, 0)
Mathematics
Write the pair of rational expressions in terms of their LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics