Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.16x2 = 64 - y2
A. ellipse
B. circle
C. hyperbola
D. parabola
Answer: A
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Rationalize the denominator. Assume that all variables represent positive values.
A. 
B. 
C. 
D. 
The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find sin t.
A. 
B. - 
C. - 
D. - 
Find an equation for the hyperbola described.Focus at (3, 6); vertices at (8, 6) and (6, 6)
A. (x - 6)2 - 
= 1
B. 
- (y - 6)2 = 1
C. 
- (y - 7)2 = 1
D. (x - 7)2 - 
= 1
Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 4x + 5y, subject to2x - 4y ? 10,2x + y ? 15,0 ? x ? 9,0 ? y ? 5.
A. Maximum: 75; Minimum: 0 B. Maximum: 46; Minimum: 33 C. Maximum: 75; Minimum: 20 D. Maximum: 61; Minimum: 33