Find an equation for the hyperbola described.Focus at (-2, 5); vertices at (4, 5) and (2, 5)
A. (x - 3)2 - 
= 1
B. 
- (y - 3)2 = 1
C. (x - 5)2 - 
= 1
D. 
- (y - 5)2 = 1
Answer: A
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (4t2 - 4t)i + (t + 9)j + k ; t0 = 2
A. x = 8 + 12t, y = 11 + t, z = 1 B. x = 8 + 12t, y = 11 + t, z = 0 C. x = 12t, y = t, z = t D. x = 8 + t, y = t, z = t
Perform the indicated multiplication.-5(-5)(-5)
A. -135 B. -115 C. 125 D. -125
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 1)
A. increasing B. decreasing C. constant
Find an equation for the line with the given properties.Perpendicular to the line -6x - 5y = -5; y-intercept = -4
A. -5x + 6y = -24 B. -5x + 6y = 20 C. -6x - 5y = 24 D. -6x - 5y = 20