The yield in bushels from a grove of orange trees is given by Y = x(600 − x),
where x is the number of orange trees per acre. How many trees will maximize the yield?
trees

With #! i’ve tried to figure it out but i can’t.

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2