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s2008m [1.1K]
3 years ago
15

APCAL AB!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

Answer:

y=-10x+89

Step-by-step explanation:

Remember that the derivative tells us the slope of the tangent line at a given point.

So, we want to find the equation of the tangent line to f(x) at x=8.

We are given that f'(8) is -10.

In other words, the slope of the tangent line to f(x) at x=8 is -10.

We also know that f(8)=9. In other words, we have the point (8,9).

So, we can use the point-slope form to figure out the equation:

y-y_1=m(x-x_1)

Substitute -10 for m and let (8,9) be (x₁, y₁). So:

y-9=-10(x-8)

Distribute the -10:

y-9=-10x+80

Add 9 to both sides:

y=-10x+89

And we're done!

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