Exam 3: Graphs and Functions

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Interpret the linear equation. -When a tow truck is called, the cost of the service is given by the linear function y = 2x + 55, where y is in dollars and x is the number of miles the car is towed. Find and interpret the slope and y-intercept of the linear Equation.

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Graph the linear equation. - y=12x+5y = \frac { 1 } { 2 } x + 5  Graph the linear equation. - y = \frac { 1 } { 2 } x + 5

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Find the slope of the line. - y=4x+2y = 4 x + 2

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(4, 0)

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Find an equation of the line satisfying the conditions. Write the equation in the form x = a, y = b, or y = mx + b. -Through (-9,-55) and (10,59)

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Write an equation of the line. Write the equation in the form x = a, y = b, or y = mx + b. -Through (2,12)( - 2,12 ) ; perpendicular to x=4x = 4

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Graph the line passing through the given point with the given slope. -  Through (4,0) with slope 12\text { Through } ( 4,0 ) \text { with slope } - \frac { 1 } { 2 }  Graph the line passing through the given point with the given slope. - \text { Through } ( 4,0 ) \text { with slope } - \frac { 1 } { 2 }

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Find the slope of the line containing the pair of points. - (2,6)( - 2,6 ) and (5,6)( 5,6 )

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Use the vertical line test to determine whether the graph is the graph of a function. -Use the vertical line test to determine whether the graph is the graph of a function. -

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Graph the function. - f(x)=xf ( x ) = \sqrt { x }  Graph the function. - f ( x ) = \sqrt { x }

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Write the word or phrase that best completes each statement or answers the question. Solve the problem. - y=2y=2  Write the word or phrase that best completes each statement or answers the question. Solve the problem. - y=2

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Solve the problem. -A tent has the dimensions shown in feet. Find d\mathrm { d } so that the pitch of the left side of the roof is 32\frac { 3 } { 2 } .  Solve the problem. -A tent has the dimensions shown in feet. Find  \mathrm { d }  so that the pitch of the left side of the roof is  \frac { 3 } { 2 } .

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Graph the linear equation. - x=6y+3- x = 6 y + 3  Graph the linear equation. - - x = 6 y + 3

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Graph the function. - f(x)=x+2f(x)=\sqrt{x+2}  Graph the function. - f(x)=\sqrt{x+2}

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Find the slope of the line. - 5x+3y=145 x + 3 y = 14

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Find the slope of the line if it exists. -Find the slope of the line if it exists. -

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Solve the problem. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof. Solve the problem. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof.

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Find the domain and the range of the relation. -Find the domain and the range of the relation. -

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Find the function value. -Find f(0) when f(x)=7x2-12x

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Find the domain and the range of the relation. -Find the domain and the range of the relation. -

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