Answer:
8x+1
Step-by-step explanation:
4(x-1) + (x+2) + 3(x+1)
4x-4 + x+2 + 3x+3
combine all x
4x+x+3x= 8x
combine all numbers without variables
(-4) + 2+3=1
8x+1
Answer:
The function f(x) when x=x-4 is 
or 
Step-by-step explanation:
Given function f is defined by 
Now to find the function f(x-4):
Put x=x-4 in the above function we get
(using the formula 
)
(adding the like terms)
Therefore or
The function f(x) when x=x-4 is or
Answer:
9x-9
Step-by-step explanation:
the expression on the left simplifes to be 9x-8 so anything other than that will not produce a solution
examples: 9x+1, -9x-8, 10x+3, 12x . . .
Answer:
A.
mean=82.286
Rounded to the tenths place would be= 82.3
Step-by-step explanation:
The Mean is found by adding all of the values together
Then dividing it by how many values there are.
In this instance, all the values added up equal 576
576 now will be divided by how many temperatures are recorded.
576/7=82.286
82.286 Rounded to nearest tenth=82.3
Answer: 32.5
Step-by-step explanation:
This is the answer on Khan Acadamy
