State the number of possible real zeros and turning points of f(x) = x7 – 6x6 + 8x5. Then determine all of the real zeros by factoring. Question 10 options: 7 real zeros and 6 turning points; 0, 2, and 4 7 real zeros and 6 turning points; 0, –2, and –4 6 real zeros and 5 turning points; 0, 2, and 4 6 real zeros and 5 turning points; 0, –2, and –4