“TV is dumb!” meaning: time * velocity = distance

I think my teacher was anti-television or something. Anyways… You can turn this into the equation of a line fairly easily… v is your constant (slope), which is 45 mph. So imagine your x-axis represents your time, and your y-axis represents distance.

y = mx + b ==> d = 45t + b (where b is the y-intercept)

I think in this case you can assume b to be zero as, at point P, your car has effectively traveled no distance. You’re left with d(t) = 45t. If time is in hours, the distance will be in miles.

Hope that helps… and hopefully I didn’t get it completely wrong 😉

t= hours traveled

d(t) = 45t

D)

the slope is 45 …. the slope is the speed of the car in mph