Question 1 of 5 (20 points) Back Question 1 V Next Simplify the difference quotient, flath)-f(a) , for f(u) = -12u2 + 5u - 6. h The difference quotient isQuestion 2 of 5 (20 points) Back Question 2 Next Simplify the difference quotient, f(ath)-f(a) , for f(u) = -2u + 4. h The difference quotient is IQuestion 3 01'5 (20 points) 43 Back Question 3 v E Next h Sunplif'u the difference quotient {fa+ ] u) for f{v] 111:2 3. The Mm is Z