Answer:
if there is no equation given with the problem, then all you do is read the y coordinate value corresponding to 25 mins and 40 mins.
here f(25) looks yo be 7 and f(40) looks yo be 20.
r
>
43
Step-by-step explanation:
x=3
-7x-6=0
9x-7x-6=0
=9x-7x=0+6=6
2x=6
x=6/2=3
The answer is B