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a differentiable function f has the property that f(5)=3 and f′(5)=4. what is the estimate for f(4.8) using the local linear approximation for f at x= 5

Sagot :

The estimate for f(4.8) using the local linear approximation for f at x= 5 is obtained as 2.2.

Explain the term differentiable function?

  • Any point within the domain of a function's domain has a derivative, making it a differentiable function with one real variable.
  • In other words, each interior point in the domain of a differentiable function's graph does have a non-vertical tangent line.

For the stated function;

f(5)=3 and f′(5)=4

the linear approximation indicates that you believe the function is linear.

So just do this:

f(5) + f'(5) (x-5)

Put the values in the obtained function;

In this particular instance, it works out.

= 3 + 4 (4.8 - 5)

= 3 + 4 (-0.2)

= 2.2

Thus, the estimate for f(4.8) using the local linear approximation for f at x= 5 is obtained as 2.2.

To know more about the differentiable function, here

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