Algebra and Engineering Problem Solving

A population of bacteria doubles every 3 hours. If the initial population is 200, what will the population be after 9 hours?

• 400

• 800

• 1600

• 3200

• A line passing through (0, 3) with a slope of 2

• A line passing through (0, 2) with a slope of 3

• A line passing through (3, 0) with a slope of 2

• A line passing through (2, 0) with a slope of 3

• 15 N

• 30 N

• 150 N

• 300 N

A car travels at a constant speed of 60 miles per hour. How far will it travel in 2.5 hours?

• 120 miles

• 150 miles

• 180 miles

• 200 miles