Exam 3: Polynomial and Rational Functions

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Identify the vertex, axis of symmetry, and intercepts for the graph of the function. - y=x2+8x+14y = x ^ { 2 } + 8 x + 14

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Choose the one alternative that best completes the statement or answers the question. Write the domain in interval notation. - f(x)=16xx2+100f ( x ) = \frac { 16 x } { x ^ { 2 } + 100 }

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Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -Given the function defined by g(x)=3(x1)3(x+5)4g ( x ) = - 3 ( x - 1 ) ^ { 3 } ( x + 5 ) ^ { 4 } , the value 1 is a zero with multiplicity , and the value -5 is a zero with multiplicity .

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Solve the inequality. Write the solution set in interval notation. - a2+6a+9>0a ^ { 2 } + 6 a + 9 > 0

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Identify the asymptotes. - f(x)=x34x29x+8x26f ( x ) = \frac { x ^ { 3 } - 4 x ^ { 2 } - 9 x + 8 } { x ^ { 2 } - 6 }

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Choose the one alternative that best completes the statement or answers the question. Use long division to divide. - (3x34x2+8)÷(2x1)\left( 3 x ^ { 3 } - 4 x ^ { 2 } + 8 \right) \div ( 2 x - 1 )

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Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -If (x + 3) is a factor of a polynomial, then 3 is a zero of the polynomial.

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Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -An even function is symmetric with respect to the axis.

(Short Answer)
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Choose the one alternative that best completes the statement or answers the question. Use long division to divide. - 12x46x3+25x211x64x22x1\frac { 12 x ^ { 4 } - 6 x ^ { 3 } + 25 x ^ { 2 } - 11 x - 6 } { 4 x ^ { 2 } - 2 x - 1 }

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Determine whether the intermediate value theorem guarantees that the function has a zero on the given interval. - f(x)=x38x2+14x+9;[1,2]f ( x ) = x ^ { 3 } - 8 x ^ { 2 } + 14 x + 9 ; [ 1,2 ]

(Multiple Choice)
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The vertical line drawn through the vertex of a quadratic function is called the of________symmetry.

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Given f(x)=a(xh)2+k, if a>0f ( x ) = a ( x - h ) ^ { 2 } + k , \text { if } a > 0 e parabola opened (upward/downward) and the (minimum/maximum) value is________ .

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Refer to the graph of the function and complete the statements. -The graph is decreasing over the interval ـــــــــــــ The graph is increasing over the intervalـــــــــــــــــــــــ Refer to the graph of the function and complete the statements. -The graph is decreasing over the interval ـــــــــــــ The graph is increasing over the intervalـــــــــــــــــــــــ

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Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -A quadratic function is a polynomial function of degree .

(Short Answer)
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Identify the graph of the function. - h(x)=(x+1)22h ( x ) = ( x + 1 ) ^ { 2 } - 2

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Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -What is the leading term of f(x)=0.6x2(10x+1)3(x1)4f ( x ) = - 0.6 x ^ { 2 } ( 10 x + 1 ) ^ { 3 } ( x - 1 ) ^ { 4 } ?

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Graph the function. - f(x)=x2x3f ( x ) = \frac { x - 2 } { x - 3 }

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Graph the function. - f(x)=53x+8f ( x ) = \frac { 5 } { 3 x + 8 }

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Solve the inequality. Write the solution set in interval notation. - 16y64y2- 16 y - 64 \geq y ^ { 2 }

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Write a polynomial f (x) that meets the given conditions. Answers may vary. -Degree 2 polynomial with zeros 353 \sqrt { 5 } and 35- 3 \sqrt { 5 }

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