Mathematics (US) - 0444 CIE

Relate Function Domain To Graph And Context

Gbogbo ọrọ náà

The domain of a function is the set of inputs it is allowed to take, and where you read that domain depends on how the function is presented. On a graph the domain is the spread of x-values the curve covers; in a real situation it is the set of inputs that actually make sense, such as a length that cannot be negative.

In this lesson you will relate the domain of a function to its graph and to the context it describes. You will read a domain from a graph, recognize the mathematical restrictions that limit a domain, and decide which inputs are sensible in a real-world problem.

Ebumnobi

  1. Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes.

Akọmọ Ojú-ẹkọ

A function without its domain is only half the story. Knowing which inputs are allowed keeps your answers meaningful: a negative time or a fractional number of people simply does not belong. Reading the domain from a graph or a context is a skill examiners test directly.

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Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

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Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Relate Function Domain To Graph And Context. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

  1. A graph runs from x = 0 to x = 6. Its domain is: A. 0 <= x <= 6 B. 0 <= y <= 6 C. x >= 6 D. all real x Answer: A
  2. What is the domain of f(x) = 1/(x - 2)? A. all real x B. all real x except x = 2 C. x >= 2 D. x > 0 Answer: B
  3. The domain of f(x) = sqrt(x) is: A. x > 1 B. all real x C. x >= 0 D. x <= 0 Answer: C
  4. For V(t) = 100 - 5t (a draining tank), the sensible domain is: A. all real t B. t >= 0 C. 0 <= t <= 20 D. t <= 0 Answer: C
  5. A function counting numbers of people has a domain that is: A. continuous B. discrete (whole numbers) C. negative D. empty Answer: B

Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

Akwụkwọ ndụmọdụ zuru oke nwere eserese
Onye inyeaka mmụta AI
Mụọ n'ụzọ na-enweghị ịntaneti, oge ọbụla, ebe ọbụla
Ọ dị na Android, Windows, macOS, na Linux

Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

Akwụkwọ ndụmọdụ zuru oke nwere eserese
Onye inyeaka mmụta AI
Mụọ n'ụzọ na-enweghị ịntaneti, oge ọbụla, ebe ọbụla
Ọ dị na Android, Windows, macOS, na Linux

Meecha Ajụjụ Ule Ọmarịcha

Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Relate Function Domain To Graph And Context? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.

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