lolkimmyswag
lolkimmyswag lolkimmyswag
  • 24-04-2018
  • Mathematics
contestada

Solve the equation for x by graphing.

3^(-x + 2) = 2^x - 4

x ≈ 3
x ≈ 2.25
x ≈ 1.25
x ≈ 1.75

Respuesta :

Professor1994 Professor1994
  • 25-04-2018
Answer: Second option x ≈ 2.25
Please, see the attached graph.
Thanks.
Ver imagen Professor1994
Answer Link
erato erato
  • 24-07-2019

Answer:

Solution is:

x ≈ 2.25

Step-by-step explanation:

The solution of the equation [tex]3^{-x + 2} = 2^x - 4[/tex] is that point on the graph at which the two graphs i.e. graph of [tex]3^{-x + 2}[/tex] and [tex]2^x-4[/tex] meet

As we can clearly see the two graphs meet at:

(2.251,0.759)

Hence, Solution is:

x ≈ 2.25

Ver imagen erato
Answer Link

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