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Let f(x) = 3x + 5 and g(x) = -4x + 7. Find.(f.g)(-4)

User Olufemi
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68. the image shows the work
Let f(x) = 3x + 5 and g(x) = -4x + 7. Find.(f.g)(-4)-example-1
User Jumand
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3 votes

Answer:

74

Explanation:

fg(x)=f[g(x)]

=f(-4x+7)

=3(-4x+7)+5

=-12x+26

When x=-4,

fg(-4)=-12(-4)+26

=74

User Memmons
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