Q.[tex] \\ \\ [/tex]f(x) = x! × 5 + 50 - 48f(4) = ....[tex] \\ \\ [/tex].... Question from @LuciaSong

September 2022 2 31 Report

Q.
[tex] \\ \\ [/tex]
f(x) = x! × 5 + 50 - 48
f(4) = ....
[tex] \\ \\ [/tex]

Penyelesaian

$f(x) = x! × 5 + 50 - 48 \\ \\ f(4) =4! + 5 + 50 - 48 \\ \\ = (4 \times 3 \times 2 \times 1) + 5 + 50 - 48 \\ \\ = (12 \times 2 \times 1) × 5 + 50 - 48 \\ \\ =( 24 \times 1) × 5 + 50 - 48 \\ \\ = 24 × 5 + 50 - 48 \\ \\ = 120 + 50 - 48 \\ \\ = 170 - 48 \\ \\ \pink{= 122}$

2 votes Thanks 2

LuciaSong Soalnya: f(x) = x! × 5 + 50 - 48
f(4) = ....

LuciaSong ada kesalahan, itu 24 × 5, bukan 24 + 5 ^^

asimaharyanti oh oke kak

LaureliaNazua

Diketahui :

f(x) = x! × 5 + 50 - 48

Ditanya :

f(4) = ?

Jawab :

f(x) = x! × 5 + 50 - 48

f(4) = 4! × 5 + 50 - 48

f(4) = ( 4 × 3 × 2 × 1 ) × 5 + 50 - 48

f(4) = ( 12 × 2 × 1 ) × 5 + 50 - 48

f(4) = ( 12 × 2 ) × 5 + 50 - 48

f(4) = 24 × 5 + 50 - 48

f(4) = 24(5) + 50 - 48

f(4) = ( 24 + 24 + 24 + 24 + 24 ) + 50 - 48

f(4) = ( 48 + 48 + 24 ) + 50 - 48

f(4) = ( 96 + 24 ) + 50 - 48

f(4) = 120 + 50 - 48

f(4) = ( 120 + 50 ) - 48

f(4) = 170 - 48

f(4) = 122

Jadi, hasil dari f(4) adalah 122

2 votes Thanks 2

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