pawskatwoah pawskatwoah

06-02-2020
Mathematics

contestada

f(x)=x^2+3x ... find f(2-a)

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krislynnkat krislynnkat

06-02-2020

(2-a)^2 + 3(2-a)

A^2 -2a + 4 + 6 -3a

A^2 -5a +10

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gufeliz1965 gufeliz1965

06-02-2020

f(x) = x^2 + 3x

Replace x with (2 - a).

f(2 - a) = (2 - a)^2 + 3(2 - a)

f(2 - a) = 4 - 4a + a^2 + 6 - 3a

f(2 - a) = a^2 - 7a + 10

Answer Link

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