What is the answer for these?

If the population growth (P) in a community is projected to follow the function P = 7t2 + 5t + 350 (t is time in years), then find the average rate of growth from the 2nd to the 3rd year. A K Question 8 (1 point) If the population growth (P) in a community is projected to follow the function P= 7t2 + 5t + 350 (t is time in years), then find the instantaneous rate of growth in the 2nd year. A/ Question 9 (1 point) How many maximum or minimum points does the equation f(x) = -(x2 + 4x - 4)(x + 2) (x - 1) have