I think the root of "3x + 1 = 7" is 2...
Answer:

Step-by-step explanation:
Multiply the equations together
(5x+4)(5x^2-7x-2)
25x^3-35x^2-10x+20x^2-28x-8
Add like terms
25x^3-15x^2-38x-8
Answer:
Step-by-step explanation:
no because each y value doesn’t increase uniformly
Answer:

Step-by-step explanation:
I do not know if this is completely correct