Without using technology, describe the end behavior of f(x) = −3x38 + 7x3 − 12x + 13.

Down on the left, down on the right

Down on the left, up on the right

Up on the left, down on the right

Up on the left, up on the right

Question

Without using technology, describe the end behavior of f(x) = −3x38 + 7x3 − 12x + 13. 

 Down on the left, down on the right 

 Down on the left, up on the right 

 Up on the left, down on the right 

 Up on the left, up on the right

anonymous · Answer

Now depending on the 1st number's sign will determine if both sides are up or both sides are down. If the leading term is positive it faces the positive direction (UP). So you tell me what the answer is.