Answer:
The equation can define y as a function of x and it also can define x as a function of y.
Step-by-step explanation:
A relation is a function if and only if each value in the domain is mapped into only one value in the range.
So, if we have:
f(x₀) = A
and, for the same input x₀:
f(x₀) = B
Then this is not a function, because it is mapping the element x₀ into two different outputs.
Now we want to see it:
x + y = 27
defines y as a function of x.
if we isolate y, we get:
y = f(x) = 27 - x
Now, this is a linear equation, so for each value of x we will find an unique correspondent value of y, so yes, this is a function.
Now we also want to check if:
x + y = 27
defines x as a function of y.
So now we need to isolate x to get:
x = f(y) = 27 - y
Again, this is a linear equation, there are no values of y such that f(y) has two different values. Then this is a function.
6p+4/6=4p-8/3 The goal is to always isolate the variable which in this case is p
First bring 4p to the left by subtracting (opposite operation) 4p from both sides. We are left with 2p+4/6=-8/3. We will continue isolating the variable by bring 4/6 to the right by subtracting it from both sides.
We are left with 2p=-10/3
Then divide (opposite operation) both sides by 2 to get p=-5/3
Well, (m^2-7m-11) ÷ (m-8) = m+1 with a remainder of -3
An expression you could use:
x + 3
10,368 You will ignore the 36 animals in one bag. That number isn't necessary. Ok So you know that one bag weighs 12oz. and 48 bags are in one box. There are 18 boxes in 1 crate so... you are going to do it this way.
12 x 48= 576
576 x 18 = 10,368oz in one crate
so that is your answer.
Hope it is correct.
