Q.[+35]••••••f(x) = 10x - 5f(3) = ?

Q.[+35]••••••f(x) = 10x – 5f(3) = ?

f(3)

= 10(3) – 5

= (10 × 3) – 5

= (10 + 10 + 10) – 5

= (20 + 10) – 5

= 30 – 5

= 25

Cara Penyelesaian :

$f(x) = 10x - 5$

$f(3) = 10(3) - 5$

$f(3)= 30 - 5$

$f(3)= boxed{ : 25 : }$

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