Galaxy fitness charges an initial $100 fee, plus a $15 monthly fee to join their gym. if a gym member keeps their membership for t years, the average yearly cost is modeled by the function f(t)= 180t + 100 t. use the function to determine how long a member would need to keep their membership in order for the average yearly cost to drop to $200 per year

b

step-by-step explanation:

the word superfluous means unnecessary

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !

3x + 4y -25 =0 represents the amount of change sianna should recieve