Solve the system of equations by elimination.
A. x = 0, y = 0; (0, 0)
B. x = 10, y = 0; (10, 0)
C. x = 0, y = 10; (0, 10)
D. x = 10, y = 10; (10, 10)
Answer: D
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Find the value.If F(x, y) = tan-1 
, find Fx(-5, 6) and Fy(-5, 6).
A. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
B. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
C. Fx(-5, 6) = - 
, Fy(-5, 6) = 
D. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
Determine a window which gives a complete graph of the polynomial function.f(x) = 0.3x5 + 3x4 - 2x3 + 3x2 + 2
A. [-5000, 5000] by [-150, 150] B. [-6, 6] by [-3000, 3000] C. [-20, 20] by [-5000, 8000] D. [-10, 10] by [-1200, 2000]
Evaluate the absolute value expression.
+ 
A. 10 B. 4 C. -10 D. -4
Solve the problem.Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 5x2, but which has a minimum of 7 at x = 3.
A. f(x) = 5(x + 3)2 + 7 B. f(x) = 5(x - 3)2 + 7 C. f(x) = -5(x - 3)2 + 7 D. f(x) = 5(x + 7)2 - 3