i need help with these questions

21) The 10 ft wall shown here stands 33 feet from the building. Find the length of the shortest straight beam that will reach to the side of the building from the ground outside the wall. Beam Eu 11d mg #33 ) A) 56.7 ft B} 51.? ft C} 43 ft D) 58.7 ft LONG ANSWER. This question is worth 2 points. Write your answer in the space provided or on a separate sheet of paper. Graph the equation. Include the coordinates (my) of any local extreme points and inflection points. You may list them. Hint: There are 3 inflection points. State intervals of concave up or concave down