Mathematics, 20.08.2020 09:01 ntangpricha

Witch relations is a function

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Answer from: pleasedontspamme

4 Answers: Choice AChoice DChoice EChoice F

So basically everything but choices B and C are functions.

Explanation:

A. This is a function as there are no repeated input x values. Each input (x) leads to exactly one output (y).B. This is not a function. We have the input 2 lead to more than one output (1 and 4 at the same time)C. This is not a function. Similar to choice B, we have multiple outputs for a given input. In this case, x = 20 has more than one output.D. This is a function. Any x input will produce only one y output. When graphed, it passes the vertical line test.E. This is a function. This graph passes the vertical line test. It is not possible to draw a vertical line through more than one point on the blue curve, so that's what I mean by "passing the vertical line test".F. This is a function. At any given hour (x), there is exactly one temperature (y) possible. The thermometer is not going to produce multiple readings at any one specific moment in time.

Answer from: Quest

the answer is y < -3 or y > 3

-3y > 7 + 2

-3 y > 9

y < -3

Answer from: Quest

step-by-step explanation:

i found the life tables for the year 2012.

life table of males at age 30. probability of dying between ages x and x+1

total population:

29–30 . . . . . . . . . . . . 0.001030

30–31 . . . . . . . . . . . . 0.001061

males:

29–30 . . . . . . . . . . . . 0.001420

30–31 . . . . . . . . . . . . 0.001448

white population

29–30 . . . . . . . . . . . . 0.001005

30–31 . . . . . . . . . . . . 0.001037

white males

29–30 . . . . . . . . . . . . 0.001372

30–31 . . . . . . . . . . . . 0.001399

non hispanic white population

29–30 . . . . . . . . . . . . 0.001083

30–31 . . . . . . . . . . . . 0.001116

non hispanic white males

29–30 . . . . . . . . . . . . 0.001477

30–31 . . . . . . . . . . . . 0.001503

jacob, non hispanic white male. 30 years old.

probability that jacob lives to be 30 years old.

since the given probabilities are probabilities of dying, i think we simply subtract it from 1 to get the probability of living. we will use the probability of non hispanic white male.

probability of living to be 30 y.o.

29 - 30 : 1 - 0.001477 = 0.998523

30 - 31 : 1 - 0.001503 = 0.998497

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