LUIS VENDE NARANJA A 15 PESOS Y LE COMPRAN 20, CUANTO DINERO TIENE?

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?