This document provides instructions to compute the derivative of a function f(x) and find the equation of the line tangent to its graph at a specified value x=c. For the given function f(x)=2 and value c=13, the derivative is 0 because it is a constant function, so the slope of the tangent line is 0 and the tangent line is parallel to the x-axis. Therefore, the equation of the tangent line is y=2.

1. compute the derivative of the given function and find the equation of line of the line that is
tangent to its graph for the specified value x=c.
f(x)= 2; c=13
Solution
f(x) = 2
=> f'(x) = 0 as it is a constant function
Hence derivative is 0
slope of tangent = derivative = 0
=> tangent is parallel to x-axis
=> y=2 is equation of tangent at x=13