Question

4) Sendo f(x) = 2x + 8, calcule f(2) + f(-3)
5) Calcule a raiz da função f(x) = 8x - 40
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Answer 1

BOM DIA!

✅04✔

$2x + 8 \\ 2.2 + 8 \\ 4 + 8 \\ \boxed{12}$

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$2x + 8 \\ 2. - 3 + 8 \\ - 6 + 8 \\ \boxed{2}$

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05)

$8x - 40 \\ 8x = 40 \\ x = \frac{40}{8} \\ x = \boxed{5}$

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