Classify the following as the equation of a parabola, a circle, an ellipse, or a hyperbola.4y2 - 16x2 - 64 = 0
A. Parabola
B. Hyperbola
C. Ellipse
D. Circle
Answer: B
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x
A. 2xln x - 1ln x
B. 
2
C. 
D. xln x - 1ln x
Find the equation of the line. Write the equation using standard notation.Through (-4, 11); parallel to x = 7
A. y = 11 B. y = -4 C. x = -4 D. x = 11
Find the distance between the pair of points on the number line.16, 0
A. -16 B. 32 C. 16 D. 0
Solve the problem.In 1995 the United States recovered 21% of its municipal solid wastes through recycling, up from 17% in 1990. Let y represent the percentage recycled and x the number of years since 1990. Find a linear equation that fits this data.
A. y = 0.4x - 17 B. y = 0.8x + 17 C. y = 0.8x + 24 D. y = -0.8x + 7