P04 - k = f + g g ; give its domain in interval notation....

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Project 4 MAC 2311 1. How can the graph of the function f ( x ) = ( 1 2 ) x be obtained from the graph of y = 2 x ? Illustrate by drawing both graphs on the axes. . Given a constant a , what rule would represent the the graph of f ( x ) reflected across the line y = a ? x = a ? 2. Carefully sketch the graph of f ( x ) = 1+ e 1 - x below , including any intercepts and asymptotal lines, AND state its domain and range in interval notation. Domain: Range: Now suppose g ( x ) is the function obtained by reflecting the graph of f ( x ) across the x -axis and then shifting the resulting graph up two units. Carefully sketch the graph of g ( x ) below , including any intercepts and asymptotal lines, AND state its domain and range in interval notation. Also, write an algebraic formula for g ( x ) . Domain: Range: Formula: g ( x ) =
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3. This problem uses the functions below: f ( x ) = x 2 g ( x ) = 1 - x 2 h ( x ) = 1 - x Write a simplified formula for the function
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Unformatted text preview: k = f + g g ; give its domain in interval notation. Write a simplied formula for the function k = ( f + g ) h ; give its domain in interval notation. 4. A rectangle is fashioned so that its area and perimeter have the same numeric value. Write the length of the rectangle as a function of the width w . What is the only square that behaves this way? 5. Suppose a company wants to manufacture a gutter by taking piece of metal of width w = 2 ft, and bending it as into an isosceles trapezoid with length b = 1 for the smaller base as shown. Express the cross-sectional area as a function of the angle . For fun, experiment with a calculator to try to decide what maximizes the cross-sectional area....
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This note was uploaded on 05/27/2011 for the course MAC 2311 taught by Professor All during the Spring '08 term at University of Florida.

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P04 - k = f + g g ; give its domain in interval notation....

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