The table below shows the cost of renting a sailboat at a lake.
Cost of Renting a Sailboat
Cost(s) 300 450 900
1,200
Hours 2 3 6 8
20
Which of the following represents the
cost?
A. hours x 15
B. hours x 150
C. Hours 150
30
D. Hours 300

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.