Question

a) Write an expression for the slope of the secant line through the points
P(7, f(7))
and
Q(x, f(x)).

Answer 1

Answer:

Step-by-step explanation:a/

slope m = [f(x)-f(3)]/(x-3)

b/

tangent y - f(3) = [lim m ,as x-->3](x-3)