I'm assuming that when you wrote "(7x/2-5x+3)+(2x/2+4x-6)," you actually meant "<span>(7x^2-5x+3)+(2x^2+4x-6). Correct me if I'm wrong here.
</span><span>+(7x^2-5x+3)
</span><span>+(2x/2+4x-6)
-------------------
=9x^2 - x - 3 (answer) </span>
Step-by-step-explanation
He did on D. 78 m
Jsjskksjmsmsms
Five times two times three times fifteen
As x approaches -inf f(x) -> -inf
and as x approaches inf, f(x) approaches +inf
Mark brainliest please
