Graph the hyperbola.(x - 1)2 - 9(y - 2)2 = 9
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 3 - x2
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Write the answer in the form a + bj.
+ 0.318j - 
A. -0.417 - 2.062j B. 0.417 - 1.426j C. 0.417 + 1.426j D. -0.417 - 1.426j
Mathematics
Use the Pythagorean Theorem to solve the problem. Use your calculator to find square roots, rounding, if necessary, to the nearest tenth.A 37-inch-square TV is on sale at the local electronics store. If 37 inches is the measure of the diagonal of the screen, use the Pythagorean theorem to find the length of the side of the screen.
A. 684.5 in. B. 6.1 in. C. 26.2 in. D. 3 in.
Mathematics
Determine whether the function satisfies a Laplace equation.f(x, y) = cos x sin(-y)
A. Yes B. No
Mathematics