State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 20x3 + ?x2 + 

A. Yes; degree 6
B. No; x2 has a non-integer coefficient
C. Yes; degree 5
D. Yes; degree 3

Answer: D

Mathematics

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Find a rectangular equation for the plane curve defined by the parametric equations.x = 8 sin t, y = 8 cos t; 0 ? t ? 2?

A. y2 - x2 = 64; for x in -? < x < ?
B. y = x2 - 9; for x in -2 ? x ? 2
C. y =  = 64; for x in -? < x < ?
D. x2 + y2 = 64; for x in -8 ? x ? 8

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Mathematics

Find all of the zeros of the function.f(x) = x4 - 12x2 + 35

A. x = ±7, x = ±5
B. x = ±, x = ±
C. x = , x = 
D. There are no zeros.

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Rewrite the fractions as equivalent fractions with the given LCD. and LCD: 24

A. ; 
B. ; 
C. ; 
D. ; 

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Mathematics

Draw the angle in standard position.- 

A.

B.

C.

D.

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Mathematics