Exponential And Logarithmic Functions
Gbogbo ọrọ náà
Exponential and logarithmic functions sit at the heart of Further Pure Mathematics, connecting algebra, calculus and real-world modelling. Whether you are describing population growth, radioactive decay or compound interest, these two families of functions provide the tools you need.
In this topic you will learn to recognise the shape and behaviour of exponential curves and their inverses, apply the laws of logarithms to simplify and solve equations, and move fluently between exponential and logarithmic forms. Every technique is practised through graded worked examples that mirror the style Edexcel examiners reward.
Ebumnobi
- Know the functions a^x and log_b(x) where b is a natural number greater than one, including the shape of their graphs
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Exponential And Logarithmic Functions. 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.
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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.
- What is the value of log_2(32)? A) 4 B) 5 C) 6 D) 8 Answer: B
- The graph of y = 3^x passes through which of these points? A) (0, 0) B) (0, 1) C) (1, 0) D) (0, 3) Answer: B
- Which expression is equivalent to log(a) + log(b)? A) log(a + b) B) log(ab) C) log(a) x log(b) D) log(a^b) Answer: B
- What is the vertical asymptote of the graph y = log_5(x)? A) y = 0 B) x = 1 C) x = 0 D) y = 1 Answer: C
- If 4^x = 64, what is the value of x? A) 2 B) 3 C) 4 D) 16 Answer: B
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Graphs of Exponential Functions
Graph exponential functions.
"Algebra and Trigonometry: Graphs of Exponential Functions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/algebra-and-trigonometry/pages/6-2-graphs-of-exponential-functions. Access for free at https://openstax.org/books/algebra-and-trigonometry/pages/1-introduction
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Akụkụ akwụkwọ
Logarithmic Functions
Convert from logarithmic to exponential form.
"College Algebra: Logarithmic Functions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/college-algebra/pages/6-3-logarithmic-functions. Access for free at https://openstax.org/books/college-algebra/pages/1-introduction
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Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Exponential And Logarithmic Functions? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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