State the number of possible real zeros and turning points of f(x) = x^7 – 6x^6 + 8x^5. Then determine all of the real zeros by factoring. 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