Question: Show that each polynomial function has a real zero as described in parts (a) and (b). In Exercises 39 and 40, also work part (c).

Show that each polynomial function has a real zero as described in parts (a) and (b). In Exercises 39 and 40, also work part (c).

ƒ(x) = 3x3 - 8x2 + x + 2

(a) Between -1 and 0 

(b) Between 2 and 3

(c) Find the zero in part (b) to three decimal places.

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