What is -5/3 as an equivalent fraction

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g