Two students finish a conversation and walk away from each other in perpendicular directions. If one person walks at 4 ft/sec and the other at 3 ft/sec, how fast is the distance between the two changing at time t = 10 sec?

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)

since proposition states that a number is greater than 25, if is true then the number must actually be greater than 25.

this implies that all possible options, except 24, can be accepted

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for