Answer:
The curve (B) matches the graph of y=x²-4x.
A. 7/4
Rate of change is the same as slope, it is how the line has to go to get from the first to the second point. The slope function is y2-y1 / x2-x1. So we end up with 8-1/5-1 making 7/4
Last one full points try to add and help me out plz
Well since the first expression says 8x(40+7) the answer would be 40 that is missing
Since your splitting 47 into 40 and 7 and multiplying both of them by 8 the answer would be 40
$4. Not sure about the percent though, sorry!
Hope it helped :)
