1. 32 $$
2. -2.5x
3. The slope is how much money is removed from the account per day after buying lunch.
4. 4.5$. This means he has 4.5 dollars left in his account after buying 11 lunches
(f+g) (x)= f(x) + g(f)
= IxI + 9 + (-6)
= IxI + 9 - 6
= IxI + 3
(f + g)(x) = IxI + 3
Answer: An elephant’s trunk is usually around 6 feet in length, but can be up to 7 feet long. The trunk alone can weigh as much as 140 kg and can hold 12 litres of water. How fast do elephants run? Elephants can run faster than you would expect, easily reaching speeds of 40 mph - a lot faster than us humans can run!
Step-by-step explanation: