What are orderd pairs for y=3x+4

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4