For each situation, define variables and what units they might have (no need to write formulas). State whether the quantity is changing in a linear or exponential fashion.
A savings account, which earns no interest, receives a deposit of $723 per month.
The value of a machine depreciates by 17% per year.
A liter of water evaporates from a swimming pool every day.
Every 124 minutes, 12 of a drug dosage remains in the body.
+128408 A savings account, which earns no interest, receives a deposit of $723 per month.
Linear......let A be the amount accumulated in dollars and M the number of months the deposit is made
The value of a machine depreciates by 17% per year.
Exponential.....let V be the value in dollars after T years
A liter of water evaporates from a swimming pool every day.
Linear......let A be the amount of water in liters remaining in the pool after D days
I think the last is supposed to be
Every 124 minutes, 1/2 of a drug dosage remains in the body.
Exponential.....this is a decay situation.....let AO be the original amount (in cm^3) and AT the amount remaining after T minutes
