please answer questions 6-8 :)

Use Equation 3.4 to find the slope of the tangent line mtan = f (a), and then find the equation of the tangent line to f at x = a. f (2) = 3 - 5x; a =3 Slope: Equation of tangent line: y = Question Help: B Read Message instructor D Post to forum . Question 7 0/1 pt @ Details Use Equation 3.4 to find the slope of the tangent line mtan = f (a), and then find the equation of the tangent line to f at x = a. f (2) = 2x2 - x; a =2 Slope: Equation of tangent line: y = Question Help: B VIDEO Message instructor D Post to forum Question 8 C0/1 pt @ Details Use Equation 3.4 to find the slope of the tangent line mtan = f (a), and then find the equation of the tangent line to f at x = a. f (20 ) = 10 a = 2 Slope: Equation of tangent line: y = Question Help: B VIDEO Message instructor @ Post to forum