Question

how to solve

Answer 1

A won't do because for t<125 it's more expensive

Answer 2

B won't do either because at t=0 it's more expensive

Answer 3

D won't do because over time it will overtake the other dude since 0.05 > 0.04

Answer 4

c right???

Answer 5

yes

Answer 6

thx

Answer 7

but i thought parallel shopes never interscct but they are not parallel and they dont also intersect???

Answer 8

since they're not parallel they'll intersect at some point or another

Answer 9

ok...