Which equation is a linear function? A. y = 7 O B. y = x(x - 1) O C. y = x2 - 3 O D. y2 = x ​

The household makes $424.45

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.