Solve the problem.Find the scalar projection of u = 4i + 5j on v = i + j.
A. 9
B. 
C. 
D. - 
Answer: C
Mathematics
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Find the inverse using composition.f(x) = -x2 + 20, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = x2 + 20
D. f-1(x) = 
Mathematics
Solve the problem.A small company sells stock for 8
dollars per share. How much will 200 shares cost?
A. 200 dollars
B. 1650 dollars
C. 202 dollars
D. 24
dollars
Mathematics
Use the discriminant to identify the graph of the non-degenerate conic as a parabola, an ellipse, or a hyperbola.9y2 + 7x + 5y + 8 = 0
A. hyperbola B. ellipse C. parabola
Mathematics