23/2
use the proper sign btw
Negative rate of change just means the graph is falling. This one is falling everywhere after x=0.5. The only choice in that section of the graph is the last one.
Square root (8-0)^2 + (8+7)^2
square root 64+15^2
=8+15
= 23
1:3 = 16/48 and 1/3.
Have a nice day! :D
