# Math Help - Estimate the quantity using Linear Approximation

1. ## Estimate the quantity using Linear Approximation

Estimate the quantity using Linear Approximation and find the error using a calculator.
The Linear Approximation is:
The error in Linear Approximation is:

2. Originally Posted by tbenne3
Estimate the quantity using Linear Approximation and find the error using a calculator.

The Linear Approximation is:
The error in Linear Approximation is:
Find 1/sqrt{97} using the linear approximation formula which will undoubtedly be in your class notes or textbook. Take f(x) = 1/sqrt{x}, h = -3 and x = 100.