Answer:
You would win the race
Step-by-step explanation:
You would have to swim for 2 minutes and 40 seconds which is the same as 160 seconds.
The opponent would swim

Which is161.5 seconds
This means you would win
Answer:
Maximum is 4
Step-by-step explanation:
M(x) is quadratic function, so we need to fin maximum.
m(x)=-x(x-4)
m(x)=-x^2+4x
To find a maximum we need to find m’
M’(x)=-2x+4
M’(x)=0 if x=2
The maximum is in the point x=2
M(2)=-2(2-4)=4
Answer:
-8 yd. lost in football
Step-by-step explanation: