Solve the problem.Find the center of mass of a tetrahedron of constant density bounded by the coordinate planes and the plane 
.
A. 
= 4, 
= 
, 
= 
B. 
= 2, 
= 
, 
= 
C. 
= 
, 
= 2, 
= 
D. 
= 3, 
= 4, 
= 1
Answer: C
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Provide an appropriate response.(a) Express 
as a sum of partial fractions.(b) Evaluate 
.(c) Evaluate 
.(d) Find a solution to the initial value problem: 
= 
, y(4) = 12.
What will be an ideal response?
Graph the polar equation.r = 3(1 + 2 sin ?)
A. 
B. 
C. 
D. 
Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 2x4 - 5x3 + 9x2 - 15x + 9
A. -3, -1, 1, - 
; f(x) = (x - 1)(2x + 3)(x + 1)(x + 3)
B. 1, 
; f(x) = (x - 1)(2x - 3)(x2 + 3)
C. 3, 
; f(x) = (x - 3)(2x - 3)(x2 + 1)
D. -3, -1, 1, 
; f(x) = (x - 1)(2x - 3)(x + 1)(x + 3)
Solve the formula for the given letter.
A. 
B. 
C. 
D. 
E. 