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)
Victoria's method is linear because the number of minutes increase by an equal number (15) every month.
Workings in the attachments below. The green line is the function that has been set up for Victoria. The lines that form a curved looking graph belong to the function that was set up for Zach.
11.25 lbs, if I calculated this correctly.
Answer:
6
Step-by-step explanation:
Write the prime factorizations:
24 = 2³ × 3
30 = 2 × 3 × 5
The greatest common factor is the product of the common factors at their lowest exponents.
GCF = 2 × 3
GCF = 6