2.Suatu fungsi dinyatakan dengan rumus f(x) = 5x-2,x€R ,maka f(1) – f (-3) =
Jawaban Terkonfirmasi
=== JAWAB ===
f(x) = 5x – 2
f(1) = 5(1) -2
f(1) = 5 – 2
f(1) = 3
f(-3) = 5(-3) – 2
f(-3) = -15 – 2
f(-3) = -17
f(1) – f(-3) = 3 – (-17 ) = 3 + 17 = 20
Jawaban Terkonfirmasi
F(x) = 5x – 2
f(1) = 5.1 – 2 = 3
f(-3) = 5.-3 – 2 = -17
Maka,
f(1) – f(-3) = 3 – (-17) = 20