[+50]
•
•
Sekarang Brainly Telah Dirusak
__________________________
f(x) = 4x² – 6x + 5
f(7) = ?
Q. Math
Penjelasan dengan langkah-langkah:
f(x) = 4x² – 6x + 5
f(7) = 4(7)² – 6(7) + 5
f(7) = 4(49) – 6(7) + 5
f(7) = 196 – 42 + 5
f(7) = 154 + 5
f(7) = 159
Jawaban:
f(x) = 4x² – 6x + 5
f(7) = ?
penyelesaian :
f(7) = 4(7)² – 6(7) + 5
f(7) = 4(7×7) – 42 + 5
f(7) = 4(49) – 42 + 5
f(7) = 196 – 42 + 5
f(7) = 154 + 5
f(7) = 159