1- Find the equations of the secant lines through the points (x₁, f(x₁)) and (x₂, f(x₂)) for parts (a)-(e).

a) x₁ =1, x₂ =2

b)x₁ =1, x₂=1.5

c)x₁ =1, x₂=1.25

d) x₁ =1, x₂=1.125

e)x₁ =1, x₂=1.0625

f) Find the equation of the line through the point (1, f(1)) using 7 as the slope of the line.

2- Write the standard form of the equation of the circle shown.