Yvaries directly with x. if y = y when x= -4, find the constant of of proportionality

Which compound inequality could be represented by the graph?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Is there an x intercept in the equation 60*1.15^x