3. dy Find in terms of x and y given that x + y = 36. Be sure to use the original dx2 equation to simplify your answer. A. dy 36 dx2 y3 B. dy dx = + y y2 C. dy - (4) dx2 D. dy dx2 = = sty y3 4. What is the slope of the tangent line to (16-x)y2 = x3 at the point (8, 8)? A. 0.67 B. 2 C. 1 D. 1.67 5. Evaluate the derivative of the function f(x) = 7 X-1 at the point (5,7). A. 17176 7 B. 16 C. 64 76 D. 4 6. Find the equation of the tangent line to the graph of the function f(x) = x+5x + 2 at the point (-5, 2). A. y = -23 B. y=-5x-23 C. y = 15x D. y = 5x 7. Find f "(x) if f(x) = 4sin(2(x + 1)). A. 8 sin(2(x + 1)) B.-16 sin(2(x + 1)) C.-16 sin(x+1) D. 8 cos(2(x+1))