The population, in millions, of a city t years after 1990 is given by p(t)=3.1+0.07t
a.
3.1 million is the population of the city in 1991 and 3.17 million is the population in 1992.
c.
3.1 million is the population of the city in 1990 and 0.07 million is the increase per year in the population.
b.
3.1 million is the population of the city in 1990 and 0.07 million is the decrease per year in the population.
d.
0.07 million is the population of the city in 1990 and 3.1 million is the increase per year in the population.

Question

The population, in millions, of a city t years after 1990 is given by p(t)=3.1+0.07t
a. 
3.1 million is the population of the city in 1991 and 3.17 million is the population in 1992. 
c. 
3.1 million is the population of the city in 1990 and 0.07 million is the increase per year in the population. 
b. 
3.1 million is the population of the city in 1990 and 0.07 million is the decrease per year in the population. 
d. 
0.07 million is the population of the city in 1990 and 3.1 million is the increase per year in the population.

jigglypuff314 · Answer

this is in the form  y = b + mx
where m = slope/rate   and    b = y-intercept/starting population at 1990

anonymous · Answer

the answer is C right?

jigglypuff314 · Answer

not quite :)
the 3.1 is correct
but know that it would only decrease if the 0.07 was negative

anonymous · Answer

|dw:1415372932469:dw|