The expression consists of factors, and each factor consists of (a+b) (d+e)

Use sigma notation to represent the following series for 9 terms.

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

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.