ianaflores101
ianaflores101 ianaflores101
  • 01-07-2020
  • Mathematics
contestada

Which description matches the transformations y = cosx undergoes to
produce y = 3 cos(-2) ?​

Which description matches the transformations y cosx undergoes toproduce y 3 cos2 class=

Respuesta :

jbiain jbiain
  • 09-07-2020

Answer:

D. Horizontal compression by a factor 2, reflection across the y-axis, then vertical stretch by a factor 3

Step-by-step explanation:

Given a function f(x)

  • f(k*x), where k > 1, horizontal compress it by a factor k
  • f(-x) reflect it across the y-axis
  • k*f(x), where k > 1, vertical stretch it by a factor k
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