Find two irrational numbers between 3/5 and 4/5?

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

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