Which situation could be modeled as a linear equation?
(1) The value of a car decreases by 10% every year.
(2) The number of fish in a lake doubles every 5 years.
(3) Two liters of water evaporate from a pool every day.
(4) The amount of caffeine in a person’s body decreases by 1/
3 every
2 hours.

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone. which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Which of the following is true for the relation f(x)=2x^2+1

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?