# What is the slope of #y=4x-3# at #x=-1#?

slope = 4

one form of the equation of a straight line is y = mx + c where m represents the slope and c the y-intercept.

In this case y = 4x - 3 is in this form and by comparison can see that m = 4. This will be the same for all values of x.

hence: slope =4

I have included the graph of y = 4x - 3 to illustrate this. graph{4x - 3 [-10, 10, -5, 5]}

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The slope of the line y = 4x - 3 at x = -1 is 4.

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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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