Given 
, find f (2, 1)
What will be an ideal response?
sin (e8)
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Consider the differential equation. A detailed direction field is not needed. Find the solutions that are constant, for all 
(the equilibrium solutions). In what regions are solutions increasing? Decreasing?y'(t) = (y - 3)(y + 9)
A. y = 3, y = -9; increasing for -9 < y < 3; decreasing for y < -9 or y > 3 B. y = -3, y = 9; increasing for -9 < y < 3; decreasing for y < -9 or y > 3 C. y = -3, y = 9; increasing for y < -9 or y > 3; decreasing for -9 < y < 3 D. y = 3, y = -9; increasing for y < -9 or y > 3; decreasing for -9 < y < 3
Graph the system of inequalities.y ? 6 - xy < 
A. 
B. 
C. 
D. 
Write out the terms of the series.
A. 45 B. 1 + 5 + 9 + 13 + 17 + 21 C. 1 + 1 + 5 + 9 + 13 + 17 D. 1 + 5 + 9 + 13 + 17 + 21 + ...
Solve the problem.A person is pulling a freight cart with a force of 51 pounds. How much work is done in moving the cart 80 feet if the cart's handle makes an angle of 16° with the ground?
A. 1124.6 ft-lb B. 112.5 ft-lb C. 4005 ft-lb D. 3921.9 ft-lb