Answer: Option A
or 
Step-by-step explanation:
Use the quadratic formula to find the zeros of the function.
For a function of the form
The quadratic formula is:
In this case the function is:
So
Then using the quadratic formula we have that:
Remember that 
or
It would be B because-2 is x and 4 is y
Answer:
The equation is
y = $ 12.35 x
Step-by-step explanation:
Cost of one bag of rocks = $ 12.35
Let there are x bags of rocks, so that the total cost is y.
So, the cost of 1 bag = $ 12.35
cost of x bags = $12.35 x
The total cost is
y = $12.35 x
It is the equation of a straight line which passes from origin and the slope is 12.35.
Answer:
90
Step-by-step explanation:
Only <span>set Y = {6, 24, 36, 78, 84}, contains only whole numbers divisible by 6.
There were no options but this was the answer to this question on a quiz.
hope this helps!</span>
