chillingtrack chillingtrack

09-03-2020
Mathematics

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Composition of functions

Composition of functions class=

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PollyP52 PollyP52

09-03-2020

Answer:

10x^2 - 18.

Step-by-step explanation:

We replace the x in g(x) by f(x):

g(x) = 5x + 7 so:

g(f(x)) = 5(2x^2 - 5) + 7.

Now we simplify:

10x^2 - 25 + 7

= 10x^2 - 18.

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