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Edexcel A-Level Mathematics AS P2.5.1 Y Ax and Its Graph Questions

Practise Edexcel IAL Mathematics P2.5.1 by sketching increasing or decreasing exponential curves, marking intercepts and asymptotes, and finding intersections exactly.

Syllabus
First assessment 2019
Course
Mathematics YMA01
Level
AS

Exam points

  • sketch y=a^x or y=a^{-x}+c with the correct shape and asymptote

Edexcel A-Level Mathematics AS P2.5.1 Y Ax and Its Graph Questions question 1

[Maximum number: 3]

Sketch the curve with equation

y=a−x+4y=a^{-x}+4

where a is a constant and a>1
On your sketch show
- the coordinates of the point of intersection of the curve with the y-axis
- the equation of the asymptote to the curve.

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