Scientists are observing several colonies of fruit flies living under different conditions. Write an equation that represents the growth or decay of each colony described below where F represent the...

Extracted text: Scientists are observing several colonies of fruit flies living under different conditions. Write an equation that represents the growth or decay of each colony described below where F represent the number of fruit flies after t weeks. a) One colony initially has 400 fruit flies and increases by 32% each week. b) One colony initially has 1850 fruit flies and decreases by 7% every three weeks.