In order to tell if a graph is a function it must

1 answer:

5 0

You can use the vertical line test (the blue lines on the drawing) and if the other end or if any part of the line touches the blue line, then it isn’t a function.

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I NEED HELP!!! 21-22

Nesterboy [21]

21. P=118

21. Q=142

22. P=120

22. R=60

22. S=60

3 0

3 years ago

What’s the answer??? (SOMEONE PLEASE HELP)

iragen [17]

Answer:

(-4, 3] U (3, 8]

Step-by-step explanation:

The first lines range is (-4,3]

(the round bracket is because the -4 not included ( clear circle) and the square on because the 3 is included in the range ( the filled circle))

second line - range is (3, 8]

So its (-4, 3] U (3, 8]

6 0

3 years ago

What is the slope of the line shown in the graph?

n200080 [17]

$\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{0}~,~\stackrel{y_2}{1}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1-2}{0-(-2)}\implies \cfrac{1-2}{0+2}\implies -\cfrac{1}{2}$