I will give a medal and become a fan for the best answer.
1. Without using technology, describe the end behavior of f(x) = –3x38 + 7x3 – 12x + 13.
2. Using complete sentences, explain how to find the zeros of the function f(x) = 2x3 – 9x + 3.
3. Using complete sentences, explain how to find the zeros of the function f(x) = 2x3 – 9x + 3.

Question

I will give a medal and become a fan for the best answer.
1. Without using technology, describe the end behavior of f(x) = –3x38 + 7x3 – 12x + 13. 
2. Using complete sentences, explain how to find the zeros of the function f(x) = 2x3 – 9x + 3. 
3. Using complete sentences, explain how to find the zeros of the function f(x) = 2x3 – 9x + 3.

anonymous · Answer

ok... the first one, the degree is even and the leading coefficient is negative, so both ends will be pointed in the same direction, both pointed down.

anonymous · Answer

the other two, idk... not very good with explaining that n words :P

nincompoop · Answer

is this the first one$$f(x) = –3x^{38} + 7x3 – 12x + 13$$

nincompoop · Answer

the zeroes (x,0) of the function determines the x-intercepts of the function we can accomplish this by factoring and other methods http://www.mathsisfun.com/algebra/polynomials-solving.html