`g(x) = x^2 - 9, (2, -5)` Find the slope of the tangent line to the graph of the function at the given point.

Expert Answers
hkj1385 eNotes educator| Certified Educator

The given function is:-

g(x) = (x^2) - 9

differentiating both sides w.r.t 'x' we get

g'(x) = 2x - 0

Now, slope of the tangent at the point (2,-5) = g'(2) = 2*2 = 4