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For f(x)=x2−3f(x)=x^2-3f(x)=x2−3, what is f(2)f(2)f(2)?

A

Read the xxx-coordinates where y=f(x)y=f(x)y=f(x) meets y=ky=ky=k.

B
  • Rotational symmetry about the origin
  • Left end down; right end up
C

Read the xxx-coordinates of the intersections of the two graphs.

D

f(2)=1f(2)=\boldsymbol{1}f(2)=1

Card 1 of 25

1.2.13 Graphs of functions Flashcards

  1. A Level
  2. /Maths
  3. /1.2.13 Graphs of functions

25 flashcards on OCR A Level Maths 1.2.13 Graphs of functions: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards