3 years ago

Functions Question (image attached)

Mathematics

1 answer:

zzz [600]3 years ago

5 0

Answer:

$x {}^{2} \times + 4x$

Step-by-step explanation:

$f(x + 4) = (x + 4) {}^{2} - 3(x + 4) - 4 \\ = x {}^{2} + 8x + 16 - 3x - 12 - 4 \\ = x {}^{2} + 4x$

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