Find an equation of a parabola that satisfies the given conditions.Vertex (5, -4), focus (5, 1)
A. 20(y + 4) = (x - 5)2
B. x + 5 = 20(y + 4)2
C. y + 4 = 20(x + 5)2
D. 20(y - 4) = (x + 5)2
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the disk bounded by the circle 
A. Absolute maximum: 18 at 
and 
absolute minimum: 0 at 
B. Absolute maximum: 81 at 
and 
absolute minimum: 18 at 
and 
C. Absolute maximum: 81 at 
and 
absolute minimum: 0 at 
D. Absolute maximum: 99 at 
absolute minimum: 0 at 
Graph the linear function and give the domain and range.f(x) = 
x
A. D = (-?, ?), R = (-?, ?)
B. D = (-?, ?), R = (-?, ?)
C. D = (-?, ?), R = (-?, ?)
D. D = (-?, ?), R = (-?, ?)
Use Pascal's triangle to expand the binomial.(x - 3)4
A. x4 - 12x3 + 54x2 + 12x + 81 B. x4 - 12x3 + 54x2 - 108x + 81 C. x4 - 3x3 + 54x2 - 54x + 81 D. x4 - 12x3 - 54x2 - 108x + 81
Use a calculator to approximate the natural logarithm to four decimal places.ln 0.986
A. 0.0061 B. -0.0141 C. -0.0061 D. 0.0141