a. Verify that the given point lies on the curve. b. Determine an equation of the line tangent to the curve at the given point. 2x2 +2xy+3y2 =63; (3,3) d Consider the statement a (e kx) = k e k". a. Identify the inner function g(x) and the outer function f(u) for the compostition f(g(x)) = e k", where k is a real number. d b. Use the Chain Rule to show that E (e '0') = k e '0