Find an upper limit for the zeros of 2x^4-7x^3+4x^2+7x-6=0
the answer choices are -1, 4, and 5

Here for a good time of free question aha

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.