Is the inequality always, sometimes, or never true? 3x -4< 3(x-2)

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.

Hold on lemme do the work

It means if x is -1 what is y then . check -1 on x axis and then check the value of y when x is -1