Q.
f(x) = √x + x² - 5
f(5) = ......
Gunakan cara.
No ngasal
ngasal? reaport
no mandang poin
______________________
ucullllll UnU
f(x) = √x + x² - 5
f(5) = ......
Gunakan cara.
No ngasal
ngasal? reaport
no mandang poin
______________________
ucullllll UnU
– - – - – - –
f(x) = √x + x² - 5
f(5) = √5 + 5² - 5
f(5) = √5 + 5(5) - 5
f(5) = √5 + 25 - 5
f(5) = √5 + 20
f(5) = √25
f(5) = 5
– - – - – - –
Penjelasan dengan langkah-langkah:
f(5) = √5 + 5² - 5
= √5 + (5.5) - 5
= √5 + 25 - 5
= √5 + 20
= √25 = 5