Answer:
I think A
Step-by-step explanation:
Answer: 5.6 miles per hour
f'(x) = b
f(x) = bx
f' (x) = d/dx (bx)
using d/dx ( a * x ) = a
f' (x) = b <-- solution.
225 miles
100
since its collinear it has to be 180 -80 which equals 100.
