In Tampa the number of new houses built each month during the first half of the year decreased at a constant rate. During the second half of
the year the number of new houses remained the same.
Which graph best illustrates the numbers of houses built over the
course of the year?
A)
Number of houses
Month

y=mx+b

step-by-step explanation:

m slope, b y-intercept

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

b and c

step-by-step explanation: