<u>Given</u>:
Let X and Y be two sets.
The two sets are given by
and 
We need to determine the value of the set 
<u>Value of the set </u>
<u>:</u>
The value of the set
is the set that contains all the elements that are at least in one of the two sets.
Hence, the union of the set
is given by


Arranging in ascending order, we get;

Thus, the union of the sets X and Y is 
Answer:
In this problem it gives you the equation you need to solve it.
Y=10x+190
The question asks for the number of calories if the snack has 35 grams of fat. The grams of fat is the independent variable so it is going to be x. So just substitute the x in the equation with 35.
Y=10×35+190
Y=350+190
Y= 540
So for a snack that has 35 grams of fat, it would have 540 calories.
The problem is, I don't think that you estimated for letter a, so you can't do letter b.
The cost of 1 liter for the small and medium cans is 4.4 and 2.4.
<h3>What is Unitary method?</h3>
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
As,
Small can: A 200 ml can costs £0.88.
Medium can: A 500 ml can costs £1.32.
Large can: A 1 litre can costs £3.60.
Now, 200 ml = 0.2 l
500 ml = 0.5 l
For 0.2 l = 0.88
For 1 l= 0.88/0.2
For 1 liter = 4.4
For 0.5l medium can = 1.32
For 1 l medium can= 1.32/0.5
For 1 l medium can = 2.4
Hence, cost of 1 liter for the small can is £ 0.88 the cost of 1 liter for the medium can is £ 2.4.
Learn more about this concept here:
brainly.com/question/22469540
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Hello here is a solution :
<span>f(x) = x3 − 121x = x(x²-121) = x (x² -11²)
</span>f(x) = x (x+11)(x-11)