Please help with answering these math questions. The answer MUST be one of the multiple choices or fill-in. Please take your time in doing the work, the arithmetic has to be correct and so does the final answer. I really need help in getting these problems right, thank you!

Question 11(Multiple Choice Worth 5 points) (02.01) Find the vertical asymptote(s) for the function f(x) = 2x+1 x2 - 49 Ox = -0.5 Oy = 0 Ox = 7 Ox = -7, 7 Question 12(Multiple Choice Worth 5 points) (03.06) Where is the second derivative of y = 3xe x equal to 0? 01 0 2 0 4 OoQuestion 13(Multiple Choice Worth 5 points) (04.05) An ice block is melting so that the length of each side is changing at the rate of 1.5 inches per hour. How fast is the surface area of the ice cube changing at the instant the ice block has a side length of 2 inches? O -12 in2/hour O-18 in2/hour O -36 in2/hour O-24 in /hour Question 14(Multiple Choice Worth 5 points) (03.03) Find g '(x) for g(x) = sec(2x). O g '(x) = 2sec2(2x) O g '(x) = 2sec(2x) O g '(x) = 2sec(2x)tan(2x) Og '(x) = 2tan2(2x)Question 15(Multiple Choice Worth 5 points) (03.02) Find f '(x) for f(x) = 8x3 + 2x2 - 8x + 10. Of'(x) = 24x + 4x - 10 Of' (x) = 24x2 + 4x - 8+ 10 Of' (x) = 24x2 + 4x - 8 O None of these