Q12 Find the slope at the point (1,2) on the graph of the ellipse defined by 4x* + v* = 8. Q13 Find the slope at x = 0 on the graph of f(x) = 3x* 5x + 2xe. Q14 Find the equation of the tangent line to f(x) = 3lnx - Sxatx = 1. Q15 The velocity of an object being thrown off a building can be modeled by s'(t) = =32t + 80. f the object was thrown from a height of 96 feet [ s(0) = 96 ], find the height of the object after 2 seconds. Q16 The marginal cost of producing q units is given by C'(g) = 2q + 30. Find the cost of making the 5 umit