F(n)=f(n+1)=f(n+1)-5 because in the formula you are subtractinng
Lol your a little kid but hold on
The first number in parenthesis is the x axis the second is they the first number in the parenthesis is the x axis the second is the y axis you have to make an equation in y=my+b form and I can’t see what I’m typing due to your picture so sorry
<span>3x+5y=2 (1)
9x+11y=14 (2)
multiply equation (1) by 3
9x + 15y = 6
so
</span>9x + 15y = 6 (1')
9x + 11y =14 (2)
-------------------------subtract
4y = -8
y = -2
3x+5y =2
3x+5(-2) =2
3x - 10 = 2
3x = 12
x = 4
answer
(4, -2)
