Answer:
x=2 and 2/3
Step-by-step explanation:
Answer: 1.33 kg
Step-by-step explanation:
Answer:
x=-8.5
Step-by-step explanation:
Answer:
72
Step-by-step explanation:

To do these, you have to place the entire function inside the parent function's variables.
You are inputting the value of the function g(x) into f(x)