Answer:
As outdoor temperatures increased, residents' electric bills increased.
Step-by-step explanation:
Multiply the -2 with whats inside the brackets first, then simplify the equation.
-8x + 8 + x
-7x + 8
Answer:
4.444444
Step-by-step explanation:
Answer: The parabola has its concavity downwards, so we need a function in the model:
With a negative value of 'a'
The vertex is (0,0), so we have that:
The x-coordinate of the vertex is given by the equation:
So we have a function in the model:
With a < 0
The only option with this format is B:
Step-by-step explanation:
