Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = -6x2 - 6x3 + x4
A. Cubic; - 6x3; -6; 3
B. Quartic; x4; 0; 4
C. Quartic; x4; 1; 4
D. Quadratic; -6x2; -6; 2
Answer: C
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Solve the problem.Sales of cassette tapes at a local music store decreased approximately linearly from 1,400,000 cassettes in 1988 to 11,000 cassettes in 1993. Find the rate of change of sales per year.
A. 277,800 cassettes per year B. -2580 cassettes per year C. -277,800 cassettes per year D. -27,780 cassettes per year
Tell whether the angle is acute, right, obtuse, or straight.
A. Acute B. Obtuse C. Right D. Straight
Find an equation of an ellipse satisfying the given conditions.Foci at (-2, 0) and (2, 0); length of major axis: 8
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Find the inverse of the relation.{(-7, -5), (7, 5), (-6, 7), (6, -7)}
A. {(-5, -7), (-7, 7), (7, -6), (-7, 6)} B. {(-5, -7), (5, 7), (7, 7), (-7, 6)} C. {(5, -7), (8, 7), (7, -6), (-7, -6)} D. {(-5, -7), (5, 7), (7, -6), (-7, 6)}