At what value of x does the graph of the following function F(x) have a vertical asymptote? F(x) = 3x/4x-4
A.} 1
B.} 4
C.} -1
D.} 0

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.