A fruit stand sells 3 pounds of tomatoes for $2.00. Graph the relationship and use the graph to estimate the cost of 6 pounds of tomatoes.

3;2
6;4
so the estimated cost for 6 pounds would be $4

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.