Mathematics: Can someone please help me? I don’t understand this

Can someone please help me? I don’t understand

twingromsretarde

29.01.2022

[see below]

Step-by-step explanation:

Substitute the given value into the function and then solve.

With -7:

$f(x)=6x\\\\f(-7)=6*-7\\\\\boxed{f(-7)=-42}$

With -1:

$f(x)=6x\\\\f(-1)=6*-1\\\\\boxed{f(-1)=-6}$

With 1:

$f(x)=6x\\\\f(1)=6*1\\\\\boxed{f(1)=6}$

With 7:

$f(x)=6x\\\\f(7)=6*7\\\\\boxed{f(7)=42}$

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dperdomo0015

04.06.2021

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Step-by-step explanation:

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