The table below represents the velocity of a car as a function of time: Time Velocity
(hour) (miles/hours)

Part A: What is the y-intercept of the function, and what does this tell you about the
car? (4 points)
Part B: Calculate the average rate of change of the function represented by the table
between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points)
Part C: What would be the domain of the function if the velocity of the car was
measured until it reached 60 miles/hour and the car does not change motion? (2 points)

answer; i believe the answer is (polygenic inheritance;

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.