Using only the values given in the table for the function, f(x), what is the interval of x-values over which the function is increasing?

(–6, –3)
(–3, –1)
(–3, 0)
(–6, –5)

Really need on these. i have no idea what to do

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.