Its the purple graph that looks like a upside down V because all the values are negative due to the "-" being outside the absolute value symbols.
you can also graph it as y=-|x|
I believe it is B I think.
Answer:
No solution
Step-by-step explanation:
we have

Apply distributive property left side


subtract 2x both sides
------> is not true
therefore
The system has no solution (two parallel lines)
Answer: 21
Step-by-step explanation:
This means we can substitute x=5 into f(x), so f(5)=6+3(5)=21.
Answer:
1/2
Step-by-step explanation:
So we know that there is a total of 10 people.
5 of these have grey hair.
To find the chances of a somone having grey hair, we need to divide people with grey hair over total people:

This is the same division we use to find things such as percentage and ratio as well.
Now lets plug in our numbers and solve:

So half of the people have grey hair.
Or(in percentage):
The probability is 50% that someone will have grey hair.
Hope this hepls!