Answer:
4×(x² - 4x + 2)
Step-by-step explanation:
4x2 - 16x + 8 = 4×x² - 4×4×x + 4×2 = 4×(x² - 4×x + 2)
Not a function because input has two outputs. 9 goes to two different numbers which make it not a function
I think it would be a 60 penny's and the interest is 2 x 30
That is the answer Y=x^-8x12, xER