The sum of a number times 7 and 19 is at least 21

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Write the pair of fractions as a pair of fractions with a common denominator