Find an equation for the parabola described.Vertex at (0, 0); focus at (-19, 0)
A. x2 = -76y
B. y2 = 76x
C. y2 = -76x
D. y2 = -19x
Answer: C
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Graph the solution of the system.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Factor the four-term polynomial by grouping.15x2 + 18x + 20x + 24
A. (3x - 4)(5x - 6) B. (15x - 4)(x - 6) C. (3x + 4)(5x + 6) D. (15x + 4)(x + 6)
For the parametric equations given, use a graphing calculator to generate the curve over the stated interval for the parameter t. Use the window specified. Also, find a rectangular equation for the curve.x = ln(t - 2), y = 3t + 1, for t in (2, 10]
A. 
The rectangular equation for the curve is
y = ex + 7, for x in [-?, ln 8].
B. 
The rectangular equation for the curve is
y = 3ex + 7, for x in [-?, ln 8].
C. 
The rectangular equation for the curve is
y = 3ex - 7, for x in [-?, ln 8].
D. 
The rectangular equation for the curve is
y = 3ex + 2, for x in [-?, ln 2].
Evaluate f(x) at the given value of x.f(x) = -4x5 + 2x4 + 6x3 - x2 for x = 2
A. -57 B. -56 C. -52 D. -23