Question

For the first 4 years of a pig's life, the weight w (in kilograms) of the pig approximately fits the formula w(t) = 2 +14t, where t is the age of the pig in years.Which of the following is the most accurate interpretation of the slope of the line represented by this formula?.

A. The slope is 14. This means that the pig gains a total of 14 kilograms in the first 4 years of its life.
B. The slope is 2. This means that the pig gains on average 2 kilograms per year for the first 4 years of its life.
C. The slope is 14. This means that the pig gains on average 14 kilograms per year for the first 4 years of its life.
D. The slope is 2. This means that the pig gains a total of 2 kilograms in the first 4 years of its life.

Answer 1

i think  the answer is B. 

Answer 2

C. the slope is the coefficient of the variable and you have given that it describes the growth for 4 years.