Answer:
4x^3-16x^2-28x+40
It will take a while to describe how i got this, but i checked the zeroes are ok.
Answer:
The answer is the option 
Step-by-step explanation:
see the attached figure with letters to better understand the problem
we know that

-----> by vertical angles
-----> given problem
-----> given problem
substitute

Answer:
I cant graph on here
Step-by-step explanation:
Answer: C
Step-by-step explanation: for those who are on Enginuity 2021 there is a chart and the person above me is refering to C