Jim gives guitar lessons for a foced amount of money per hour. The following table shows the linear relationship between the total number of dollars Jim earns from guitar lessons and the number of hours he spends giving lessons. Time (hours)Dollars Earned 0.5 17.50 52.50 2 70.00 1.5

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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.