What is the domain and range f(x)=|x+6| and how do I graph it

Mathematics

1 answer:

alexdok [17]3 years ago

8 0

Answer:

domain: {0, infinity) range: (negative infinity, positive infinity)

graph it like a v, with the lines going on a slope of 1. Also, take it left 6 points.

Step-by-step explanation:

f(x)=(x+h) h is to move to the right and left. for example if h was positive 1 we go left 1. positive goes left and negative goes right. This is because it you set x+1=0 then x=-1.

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An experiment consists of dealing 7 cards from a standard deck of 52 playing cards. What is the probability of being dealt exact

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Answer: 0.00153

Step-by-step explanation:

Given: An experiment consists of dealing 7 cards from a standard deck of 52 playing cards.

Number of ways of dealing 7 cards from 52 cards = $^{52}C_7$

Since there are 13 clubs and 13 spades.

Number of ways of getting exactly 4 clubs and 3 spades= $^{13}C_4\times\ ^{13}C_3$

Now, the probability of being dealt exactly 4 clubs and 3 spades

$=\dfrac{^{13}C_4\times\ ^{13}C_3}{^{52}C_7}\\\\\\=\dfrac{{\dfrac{13!}{4!(9!)}\times\dfrac{13!}{3!10!}}}{\dfrac{52!}{7!45!}}\\\\=\dfrac{715\times286}{133784560}\\\\=0.00152850224271\approx0.00153$