Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
+ 
A. -5
B. 13
C. 39
D. 13
Answer: D
Mathematics
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Graph the two functions on one coordinate plane.f(x) = x2h(x) = x2 + 2.
A. 
B. 
C. 
D. 
Mathematics
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.9y - 3x = -6
A. x: 2; y: - 
B. x: -2; y: - 
C. x: - 
; y: -2 
D. x: - 
; y: 2 
Mathematics
Determine whether the ordered triple is a solution of the system.(0, -5, 5)
A. Yes B. No
Mathematics
Use the method of cylindrical shells to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated axis. Sketch the region and a representative rectangle.
y = 
, y = 0, x = 3; the y-axis
Mathematics