URGENT !!! (pls be serious about this) 1. Joanna is making a cake. The flour mixture is f(x) = x + 3 / x - 5 grams while the other
ingredients are i(x) = x 2 - 25 grams. What is the total weight m(x) of the mixture if the
flour is added to the other ingredients?
2. The area of the base of a cylindrical container is defined by b(x) = x 2 - x + 12. Find
the volume of water that can be stored inside the container if the height is defined
by h(x) = x - 1.
3. A train travels from Tutuban to Calamba station. The distance between Tutuban and Calamba is defined by the function d(x) = x 4 + x 3 + 3x 2 + 4x - x kilometers. If the train travels from Tutuban to Calamba for t(x) = x hours without stopping at any station, how fast is the train traveling?
4. Every person needs to pay taxes due to him or her. Suppose a freelance editor is
accountable to pay 10% tax each month. Jill, a freelance editor, earns x pesos daily for
20 days each month. How much tax will she pay? Express your answer as a
composition of functions.
5. Rowell bought 75 kilograms of fruits consisting of avocado and mango. He bought
₱1800 worth of avocado and ₱3600 worth of mango. If the cost per kilogram of
mango is ₱20 more than that of avocado, how much of each fruit did he buy?