Determine the vertex, focus, and directrix of the parabola and sketch its graph.x2 = 5y
A. vertex: (0, 0)
focus: 
directrix: y = - 
B. vertex: (0, 0)
focus: 
directrix: x = 
C. vertex: (0, 0)
focus: 
directrix: y = 3
D. vertex: (0, 0)
focus: 
directrix: y = - 3
Answer: A
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Write the number in words.47,803
A. four thousand seven, eight hundred three B. forty-seven thousand, eight hundred three C. forty-seven thousand, eighty-three D. forty-seven hundred thousand, eight hundred three
Find the domain and range of the function.f(x) = 
A. D: [0, ?), R: (-?, ?)
B. D: [0, ?), R: 
C. D: (-?, ?), R: 
D. D: (-?, 0], R:(-?, 0]
Use the given conditions to write an equation for the line in the indicated form.Passing through (4, -4) and parallel to the line whose equation is y = -5x + 8;slope-intercept form
A. y = - 
x - 
B. y = - 5x + 16
C. y = 5x - 16
D. y = - 5x - 16
Evaluate the logarithm without the use of a calculator.log4 16
A. 2 B. 4 C. 8 D. 16