WINTER 2023 1.(5 points) Use l'Hospital's Rule to find lim 72 5+in(2. (Hint: Note that 7x 5fin(@) = (7) (x 5+in(@) ), hence 2-+00 In 72 5 +18(2) = In(7) + In (25fin(@) = In(7) + 3+in(x) In(2 In(x).) 2. (5 points) An open box is to be made out of a 8-inch by 20-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box that has the largest volume