Functions and Graphing

1. Is this graph a function? Explain.

A - No, for every domain more than one range.
B - Yes, for every domain there is a unique range.

2. Is this graph a function? Explain.

A - No, for every domain more than one range.
B - Yes, for every domain there is a unique range.

3. Find four solution of the equation y=-3x+1. Write your answers as ordered pairs. Be sure to include some positive and some negative values of x.
A - 0,2; 0,-2; -1,5; 3,-5.
B - 0,4; 1,2; 1,4; 2,5.
C - 2,-1; 3,2; 0,4; 1,-4.
D - 0,1; 1,-2; -1,4; 2,-5.

4. State the x- and y-intercepts of the line. Assume the scale on each axis increases by 1.
A - x-intercept 4, y-intercept -3.
B - x-intercept 5, y-intercept -2.
C - x-intercept 3, y-intercept -4.
D - x-intercept 7, y-intercept -1.

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