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Basic Exponential Word Problems – Independent Practice
The most recent flu virus is making people sick quickly. On the first day of the illness only 4
people at school had confirmed cases. Each day after, the amount of the flu cases quadruples.
Write a function that models the flu virus’s growth over time. Use x for days and y for the
amount of flu cases.
Find the number of flu cases present by the 6th day.
A car cost $22,000 and will depreciate in value by 14% each year.
Write a function that models the value of the car over time. Use x for years, and y for the value
of the car, in dollars,
Find the value of the car at the end of 5 years.
Jim left an old hot tub full of water on his back porch during the summer. One night two
mosquitos came to visit the hot tub. Each night after, there were three times as many
mArniiitersroond th hot tih