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3 years ago

Question in image. :)

Mathematics

1 answer:

jarptica [38.1K]3 years ago

6 0

Answer:

All real numbers greater than or equal to 0.

General Formulas and Concepts:

Algebra I

Domain is the set of x-values that can be inputted into function f(x)

Step-by-step explanation:

According to the graph, we see that our x-values span from 0 to infinity. Since 0 is a closed dot, it is inclusive in the domain:

[0, ∞) or x ≥ 0 or All Real Numbers greater than or equal to 0.

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Let be the set of permutations of whose first term is a prime. If we choose a permutation at random from , what is the probabili

Dennis_Churaev [7]

Answer:

$Pr = \frac{1}{6}$

Step-by-step explanation:

Given

$S = \{1,2,3,4,5\}$

$n = 5$

Required

Probability the third term is 3

First, we calculate the possible set.

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$2nd \to 4\ numbers$

$3rd \to 3\ numbers$

$4th \to 2\ numbers$

$5th \to 1\ number$

So, the number of set is:

$S = 3 * 4 * 3 * 2 * 1$

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$2nd \to 3\ numbers$ ---- i.e. remove the already selected first term and the 3rd the compulsory third term

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$4th \to 2\ numbers$

$5th \to 1\ number$

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So, the probability is:

$Pr = \frac{r}{S}$

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