Help i need the last part the rate of change

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Aline passes through 3,7 and 6,9 what equation represents the line

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.