The function f(x) is to be graphed on a coordinate plane.
f(x) =
-X, X < 0
1 x > 0
At what point should an open circle be drawn?
0 (-1,0)
O (0,0)
O (0, 1)
O (1,0)

What's the denominator

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

The first digit is in the middle school 100s place