How do you graph $f (x) = (\frac{1}{2}) x$ $f(x)=(1/2)x$ by plotting points?

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How do you graph $f (x) = (\frac{1}{2}) x$ $f(x)=(1/2)x$ by plotting points?

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Answer 1 · 2015-11-26T02:34:43

To find the 5 main points of the linear function, use $x = - 2, - 1, - 0, 1, 2$ $x=-2, -1, -0, 1,2$ to find your y-coordinates.

Mapping rule:
$(x, y) = (x, \frac{1}{2} x)$ $(x, y)=(x, 1/2x)$

$1 . (- 2, \frac{1}{2} (- 2)) = (- 2, - 1)$ $1. (-2, 1/2(-2))=(-2,-1)$
$2 . (- 1, \frac{1}{2} (- 1)) = (- 1, - \frac{1}{2})$ $2. (-1, 1/2(-1))=(-1,-1/2)$
$3 . (0, \frac{1}{2} (0)) = (0, 0)$ $3. (0, 1/2(0))=(0,0)$
$4 . (1, \frac{1}{2} (1)) = (1, \frac{1}{2})$ $4. (1, 1/2(1))=(1,1/2)$
$5 . (2, \frac{1}{2} (2)) = (2, 1)$ $5. (2, 1/2(2))=(2,1)$

Plot the points and you will get a graph that looks like this:

graph{1/2x [-7.9, 7.9, -3.946, 3.95]}

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How do you graph $f (x) = (\frac{1}{2}) x$ $f(x)=(1/2)x$ by plotting points?

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