# How do I graph a function like #f(x) = 4x + 7# on an Nspire?

Add a graph page and then type the function in the space where the cursor is blinking.

It's easiest to watch a video of these kinds of things. Here's a link to my video for first time graphers:

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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