Need on this answer asap remember to check for extraneous solutions1/x + 1/3x^2 = 1/3xa) { -1/2} b) { 6}c) { -13/6, 1/2}d) {1/2}

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)