Answer:
an = 2 • (-3)^n - 1
Step-by-step explanation:
I have taken the test and this is the correct option :)
X=-1
Y=-9
x^2+2x-8
x^2+2x +1 =8+1
(x+1)-9
d
each person gets 1 brownie with 2 left over.
(dividing with remainders)
each person gets 1.4 brownies
(dividing with decimals)