Find the vertex, focus, and directrix of the parabola.y2 = 12x
A. Vertex: V(0, 0); focus: F(3, 0); directrix: x = 3
B. Vertex: V(0, 0); focus: F(3, 0); directrix: x = -3
C. Vertex: V(0, 0); focus: F(0, 3); directrix: y = -3
D. Vertex: V(0, 0); focus: F(3, 3); directrix: x = 3
Answer: B
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Provide an appropriate response.According to the rules for the order of operations, what should be the first step when simplifying the expression [-3 + (-11 + 5)] + (-5 + 9)?
A. find the sum of -3 and -5 B. find the sum of -11 and 5 C. find the sum of -3 and -11 D. find the sum of 5 and -5
Sketch the graph and find the area of the region bounded below by the graph of the given function and above by the x-axis from 
to 
.
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A. ?
sq units
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B. ?
sq units
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C. ?
sq units
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D. ?
sq units
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Graph the equation.
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A. 
B. ?
C. ?
D. ?
Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = x + 3, g(x) = 
A. (-?, -9) ? (-9, ?) B. (-?, -6) ? (-6, -3) ? (-3, ?) C. (-?, ?) D. (-?, -6) ? (-6, ?)