Answer:
21 weeks.
Step-by-step explanation:
To start, you have to get the pounds lost per week.
12/3=4
4 pounds lost per week.
Next, find out how many weeks it takes by solving this equation,
4x=84
Divide 84/4=21
Therefore, it took 21 weeks to lose 84 pounds.
The definition is pretty simple:
So, we only have to sum the expressions:
aas congruence postulate
Option D
This function has vertex at origin
Let's verify
Put (0,0)
Hence verified
0 = x2 + 3x + 2