Math II

graph y = x + 4

Time (s) vs Concentration (mg/mL).

what is the value of concentration when time is 4s.

• 11

• 12

• 13

• 14

Population (million) vs Time (year)

When will the size of population reach 6 millions?

• 5 years later

• 7 years later

• 9 years later

• 11 years later

If y varies inversely as x and if y = 16 when x = 3, what is x when y =4?

(a)  

The distance a car travels varies directly with the time in which it is traveling.

If a car travels 260 miles in 5 hours, find the proportionality constant k.

Find the slope of straight line contain (2,4) and (3,7).

• 3

• 4

• 5

• 6

A patient was ordered to have an IV line. At the start the IV bag contained 1,000 mL. Three hours later, the bag contained 600 mL. Find the rate at which the IV bag is draining. Use these results to predict how many milliliters will be in the IV bag after 6 hours.

Find the slope m

(a)