Find the focus and directrix of the parabola.y2 = 32x
A. (8, 0); x = 8
B. (8, 8); x = 8
C. (8, 0); x = -8
D. (0, 8); y = -8
Answer: C
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Sketch the graph of the parametric equations. Then set up the appropriate integral to find the length of the curve and use a computer to evaluate it.x = 2t cos t, y = 2t sin t, 0 ? t ? 3?
A. L = 20?
B. L = 61.51
C. L = 92.26
D. L = 61.51
The statement connects two individual propositions with the word or. State whether the entire statement is true or false, and explain why.The grass is wet or the grass is dry.
What will be an ideal response?
Simplify.(22y + 15) - (-14y2 - 11y + 15)
A. 14y2 + 11y B. 14y2 + 33y C. -14y2 + 11y + 30 D. 14y2 + 33y - 30
Find a rectangular equation for the curve and describe the curve.x = t - 3, y = t2 + 5; -1 ? t ? 2
A. y = x2 - 14; portion of a parabola B. y = x2 - 6x - 14; portion of a parabola C. y = x2 + 6x + 14; portion of a parabola D. y = x2 + 14; portion of a parabola