\fIf 1200 cm2 of material is available to make a box with a square base and an open top, what is the maximum volume the box COL made to contain? 0 400 cm3 0 2828 cm3 0 4000 cm3 0 5200 cm3 The first stage of a model rocket's liftoff lasts 5 seconds, and during that time its velocity in meters per second is measured as v(t) = '/4tl3+6. What time does the rocket reach its maximum acceleration? O O O 1.155 O 7.732 0 10.796 A company's expenses can be modeled by the equation E (n) = 175 i 'n i %, where E is measured in dollars and n is number, in hundreds, of items produced. How many items should the company produce to minimize expense, and what would that expense be? 0 3 items at $179 0 10 items at $176 0 100 items at $203 0 300 items at $179