Interest rate 8% how long will it take for a $2000 investment to double in value? what will be the value in seven years of $12,000 invested today? how much would you pay for the right to receive $5000 at the end of year one, $4000 at the end of year two and $8000 at the end of year five?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.