errazodonnamarie errazodonnamarie

26-09-2021
Mathematics

contestada

how to solve f(x)=2x+1 when x=a-b?

Respuesta :

adhikarirojina27 adhikarirojina27

26-09-2021

Answer:f(2) = 3/2

Step-by-step explanation:

Let u = 2x-1.

Then x = (u+1)/2.

Substituting into f(2x-1) = x, we get f(u) = (u+1)/2.

Thus, f(2) = (2+1)/2 = 3/2.

Answer Link

alzaroonishoug alzaroonishoug

26-09-2021

Do a u-substitution!

Let u = 2x-1.

Then x = (u+1)/2.

Substituting into f(2x-1) = x, we get f(u) = (u+1)/2.

Thus, f(2) = (2+1)/2 = 3/2.

Answer Link

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