Quiz nistructions
question 1
14 pts
which equation is linear?
y= 2x + 2
y=2x2 + 2
2x3 + 2
y=2x4 +2

y=2x+2. the only answer that doesn't have a number over the x

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

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!