Exam 3: Graphs and Functions

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Fill in the blank with one of the words or phrases listed below. relation line function standard parallel slope-intercept range domain point-slope perpendicular linear inequalityslope linear function -A is a function that can be written in the form f(x) = mx + b.

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Graph the function. -Graph the function. -

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Graph the inequality. - y1y \geq 1  Graph the inequality. - y \geq 1

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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 (5,5)( - 5,5 ) ; perpendicular to y=8y = 8

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Find the slope and the y-intercept of the line. - x+y=12x + y = - 12

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Graph the linear equation. - 4x=y8- 4 x = y - 8  Graph the linear equation. - - 4 x = y - 8

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Plot the ordered pair on a rectangular coordinate system. - (0,312)\left( 0 , - 3 \frac { 1 } { 2 } \right)  Plot the ordered pair on a rectangular coordinate system. - \left( 0 , - 3 \frac { 1 } { 2 } \right)

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Find the function value. -Find f(-2) when f(x)=7 x-8

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Graph the function. State the domain and range of the function. -Graph the function. State the domain and range of the function. -

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Graph the inequality. - y4x+3y \leq - 4 x + 3  Graph the inequality. - y \leq - 4 x + 3

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Graph the linear equation using the slope and y-intercept - y=3x+6y = - 3 x + 6  Graph the linear equation using the slope and y-intercept - y = - 3 x + 6

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Fill in the blank with one of the words or phrases listed below. relation line function standard parallel slope-intercept range domain point-slope perpendicular linear inequalityslope linear function -form of a linear equation in two variables is y = mx + b.

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Find the function value. -Find f(0) when f(x)=12 x+13 .

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Find the domain and range. -Find the domain and range. -

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Plot the ordered pair on a rectangular coordinate system. -Plot the ordered pair on a rectangular coordinate system. -

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Interpret the linear equation. -The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function y = 900x + 3498, where y is in feet and x is the time in minutes since take-off. Find and interpret The slope and y-intercept.

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Find an equation of the line satisfying the conditions. Write the equation in standard form, Ax + By = C. -Through (0, 6); slope -5

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Graph the union or intersection, as indicated. -The intersection of x \geq -6 and x \leq 5  Graph the union or intersection, as indicated. -The intersection of  x \geq -6  and  x \leq 5

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Graph the function. -Graph the function. -

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Determine whether the lines are parallel, perpendicular, or neither. - y=-8x-4 y=-8x+4

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