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| Math Central | Quandaries & Queries |
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Question from Gavin, a student: how would you plot y=f(x)+2 |
Hi Gavin,
Assume that you have already graphed $y = f(x)$ and you are now to graph $y = f(x) + 2.$ Look at a particular x-value. The corresponding y-value on the first graph is $f(x)$ and the y-value on the second graph is 2 more, $f(x) + 2.$ Thus the point on the second graph is 2 units above the point on the first graph. This is true for every x in the domain of $f(x).$
Penny
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