Find an expression for f−1(x), if f(x) = 5 − 2x
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Using combination and permutation we found out that there are 30240 ways to make varieties of pizza with 3 toppings.
Given 10 toppings
10C3 =10!/3! 7! =120
10P5 =10!/5! =30240 ways
A permutation is a process of placing objects or numbers in order. Combining is the ability to select an object or number from a group of objects or collections such that the order of the objects does not matter.
In mathematics, a combination is the selection of elements from a set with different members, so the order of selection does not matter.
The process or state of binding. Some combination: A combination of ideas. Combined: A chord is a combination of notes. Alliance of Individuals or Parties: Combinations to restrict transactions.
Learn more about combination here: brainly.com/question/11732255
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If the question is 40 - , then you would do 16 ÷ 4 = 4, and then 40 - 4 = 36.
If the question is , then you divide both 40 and 16 by 4, to get 10 - 4 = 6.
I hope this helps!