Find the difference quotient for f(x) = x + 6x + 14. 2x+h+6 Preview Use the difference quotient to determine the average rate of change over the interval [1.2, 8.4). Do not round your answer. Enter an integer or decimal number [more..]Given the function m) = 22:2 a: + h 3: Find the difference quotient W : Preview + h Find mm) by determining Hm W. : Preview hpU Find f 'f 2} (T his slope should match the tangent line you drew above.) : Preview