Hi can you help me with these questions within 1-2 hours. Thank you

1. Determine the equation of the tangent to y =- -X (x+ 1)? atx=-2. (5 marks) 2. Determine the coordinates of the point on the graph of /(x) = 3x -7x + 4 where the tangent line is parallel to the line 5x + y - 3. (5 marks)1. The cost function for producing x units of a product is C(x) = -0.003x*+ 4.2x + 3000. The revenue function is R(x) = 138x - 0.15x . Determine the marginal profit for the sale of 100 units of the product. (4 marks)