kjordan3346 kjordan3346
  • 15-09-2021
  • Mathematics
contestada

Which points lie on the graph of f(x) = loggx?
Check all that apply.

Which points lie on the graph of fx loggx Check all that apply class=

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sqdancefan
sqdancefan sqdancefan
  • 16-09-2021

9514 1404 393

Answer:

  C, E, F

Step-by-step explanation:

The equation f(x) = log₉(x) can be rewritten as ...

  x = 9^y

This form makes it relatively easy to check the given points.

  A. 9^2 = 81 ≠ -1/81

  B. 9^1 = 9 ≠ 0

  C. 9^-1 = 1/9 . . . . one of the points of interest (1/9, -1)

  D. 9^243 = <very big number> ≠ 3

  E. 9^1 = 9 . . . . one of the points of interest (9, 1)

  F. 9^2 = 81 . . . . one of the points of interest (81, 2)

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