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15-11-2019
Mathematics

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giving brainliest to best answer

giving brainliest to best answer class=

Respuesta :

19-11-2019

Answer:

C. -61

Step-by-step explanation:

By the definition,

[tex](f\circ g)(x)=f(g(x))[/tex]

If

[tex]f(x)=4x+7\\ \\g(x)=3x-5,[/tex]

then

[tex]f(g(x))=f(3x-5)=4\cdot (3x-5)+7=12x-20+7=12x-13[/tex]

Thus,

[tex]f(g(-4))=12\cdot (-4)-13=-48-13=-61[/tex]

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