f(x)=x/x+2; a=1; f=1.2 NEED C&D DETAILED HELP if possible

Question

a. Write the equation of the line that represents the linear approximation to the given function at the given point a.

​f(x)≈​L(x)=1/9+2/9x ....GOT THIS ONE

b. Graph the function and the linear approximation near x=a.

Select the correct graph below. ...GOT THIS ONE

c. Use the linear approximation to estimate the given function value

f≈(1.2)=

d. Compute the percent error in the​ approximation: ****CANNOT FIGURE OUT*****

100•lapprox−exactl

lexactl.

​

Answer 1

desmos.com/calculator/spugi3yitu

Note: for exact value at x = 1.2 = 6/5

f(6/5) = (6/5) / [(6/5) + 2] -- multiply top and bottom of that fraction by 5 to get:

6/(6+10) = 6/16 = 3/8