Exam 2: Polynomial and Rational Functions

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Use synthetic division to divide. (12+2x3+22x12x2)÷(x3)\left( - 12 + 2 x ^ { 3 } + 22 x - 12 x ^ { 2 } \right) \div ( x - 3 )

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Determine the zeros (if any) of the rational function g(x)=5+6x2+5g ( x ) = 5 + \frac { 6 } { x ^ { 2 } + 5 } .

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Select from the following which is the polynomial function that has the given zeros. 4,2,0,2,4- 4 , - 2,0,2,4

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Let P(x)=7x3+4x29x+10P ( x ) = 7 x ^ { 3 } + 4 x ^ { 2 } - 9 x + 10 . Use synthetic division to find the value P (-6).

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Find domain of the following function. g(x)=1x+7g ( x ) = \frac { 1 } { x + 7 }

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Determine the equations of the vertical and horizontal asymptotes of the graph of the function f(x)=5x2x24f ( x ) = \frac { 5 x ^ { 2 } } { x ^ { 2 } - 4 } .

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Solve the inequality and graph the solution on the real number line. x33x2x>3x ^ { 3 } - 3 x ^ { 2 } - x > - 3

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Simplify the expression. ​ I -14

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Find the domain of x in the expression. xx236\sqrt { \frac { x } { x ^ { 2 } - 36 } }

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Write the complex number in standard form. 36\sqrt { - 36 }

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Find all the real zeros of f(x)=2x36x2+2x6f ( x ) = 2 x ^ { 3 } - 6 x ^ { 2 } + 2 x - 6 .

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A rectangular parking lot with a perimeter of 442 feet is to have an area of at least 8050 square feet.Within what bounds must the length of the rectangle lie?

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The game commission introduces 100 deer into newly acquired state game lands.The population N of the herd is modeled by N=24(5+3t)1+0.04t,t0N = \frac { 24 ( 5 + 3 t ) } { 1 + 0.04 t } , t \geq 0 Where t is the time in years.Find the populations when t = 40. (Round your answer to the nearest whole number.)

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Write the standard form of the equation of the parabola that has a vertex at (23,19)\left( - \frac { 2 } { 3 } , \frac { 1 } { 9 } \right) and passes through the point (2,3)( 2,3 ) .

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Well whether the function y=x5+9x3y = x ^ { 5 } + 9 x ^ { 3 } is even or odd.If it is neither, so indicate.

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Select the graph of the function and use the zero or root feature to approximate the real zeros of the function. f(x)=18x44x2f ( x ) = \frac { 1 } { 8 } x ^ { 4 } - 4 x ^ { 2 }

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Write the quotient in standard form. 2i\frac { 2 } { i }

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Write the complex number in standard form. 20×18\sqrt { - 20 } \times \sqrt { - 18 }

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Find the domain of the function f(x)=6x2x225f ( x ) = \frac { 6 x ^ { 2 } } { x ^ { 2 } - 25 } .

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Use synthetic division to divide. x3125x5\frac { x ^ { 3 } - 125 } { x - 5 }

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