SOLUTION: Can someone please help me. I do not know how to graph an equation like this one. Graph f(x)=-2x+4

Question 94399: Can someone please help me. I do not know how to graph an equation like this one.
Graph f(x)=-2x+4
Answer by praseenakos@yahoo.com(507) (Show Source): You can put this solution on YOUR website!
Question:

Can someone please help me. I do not know how to graph an equation like this one.
Graph f(x)=-2x+4

Answer.

If you want to graph the equation manually, you need to find our points.

For that give some arbitrary values for x and then find the corresponding values of f(x)

When , x = 0, then f(x) = -2(0) + 4 = 0 + 4 = 4

When , x = 1, then f(x) = -2(1) + 4 = -2 + 4 = 2

When , x = 2, then f(x) = -2(2) + 4 = -4 + 4 = 0

When , x = 3, then f(x) = -2(3) + 4 = -6 + 4 = -2

When , x = -1, then f(x) = -2(-1) + 4 = 2 + 4 = 6

When , x = -2, then f(x) = -2(-2) + 4 = 4 + 4 = 8

and so on....
now plot these values in a graph paper...

The the graph will come like this...

Here you can see that the solution of this equation is x =
and y =

Hope you found the explanation useful.

Regards.

Praseena.

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