Final answer:
It would take the roller coaster 34 seconds to reach the top of the hill that is 80 meters above the ground, using the equation h = 2s + 12 and solving for the time s.
Step-by-step explanation:
To determine how long it would take for the roller coaster to reach the top of the hill that is 80 meters above the ground, we can use the given equation h = 2s + 12, where h represents the height in meters, and s represents the time in seconds. We are given that the roller coaster starts 12 meters above the ground and climbs 2 meters every second. To find the time s when the roller coaster reaches 80 meters high, we set the equation equal to 80 meters:
80 = 2s + 12
Subtracting 12 from both sides gives us:
68 = 2s
Dividing both sides by 2 yields:
s = 34
Therefore, it would take the roller coaster 34 seconds to reach the top of the hill that is 80 meters above the ground.