Graph the hyperbola.16y2 = 4x2 + 64

A.

B.

C.

D.


Answer: C

Mathematics

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Evaluate the improper integral or state that it is divergent.

A.  
B. -4?
C. -  
D. 0

Mathematics

Sketch the given surface.x = 1 - y2 - z2

What will be an ideal response?

Mathematics

Find the slope of a line tangent to the given curve at the given point.y = x sin 3x; x = 1.80 (Round the nearest hundredth.)

A. 1.90 B. -0.37 C. 2.65 D. 0.37

Mathematics

Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°

A.
B.
C.
D.

Mathematics