charlesnakiapf1u4q charlesnakiapf1u4q

23-01-2019
Mathematics

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f(x)=5x-1 and g(x)=x^2-4 find (fog)(-5)

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crisforp crisforp

23-01-2019

Answer:

We calculate g(-5); then f(g(-5));

g(-5) = (-5)^2 - 4 = 25 - 4 = 21;

f(g(-5)) = f(21) = 5 x 21 - 1 = 105 - 1 = 104;

Step-by-step explanation:

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