2/5 using long division to solve

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

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

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.