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Max
Max asked in Science & MathematicsMathematics · 2 years ago

Let f(x)=21+x2. The tangent line to the curve at the point (2,0.40000) can be written in the form y=mx+b where m is: and where b is:?

Update:

#12

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  • rotchm
    Lv 7
    2 years ago

    The slope of f(x) at point x is f '(x). Evaluate this at x = 2 to get your slope m.

    Now, this point also belongs to to your sought line. That is, 0.4 = m*2 + b. Since u found m, just solve for b.

    Done!

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