What is the range of f(x) = (three-fourths) Superscript x – 4?

{y | y > –4}

Left-brace y vertical line y greater-than three-fourths right-brace

{y | y < –4}

Left-brace y vertical line y less-than three-fourths right-brace

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.