Math 1131 Questions for Integration with Initial Conditions lecture (1). Find y given % = 4X+ 2 and y(1) = 6 dzy (2). Find y given m = 12)(2 + 8X, y'(1)= 6 and y(1) = 2 (3). Suppose that :7: = 200 2q 0.6q2 is a marginal revenue function. (a) Find the revenue function R(q) (b) Find the demand function D(q) dC (4). Suppose that dq = 0.04q2 1.2q + 8.5 is a marginal cost function. If the fixed costs are 1535, find the total cost function C(q)