diketahui rumus fungsi f(x) = 2x + 5. Jika f(k) = 13. nilai k adalah… (tolong dijwb ya pakai cara, makasih)
Jawaban Terkonfirmasi
F(x) = 2x + 5
f(k) = 13
= 2k + 5 = 13
= 2k = 13 – 5
= k = 8 : 2
k = 4
k = 4
Jawaban Terkonfirmasi
F(x) = 2x+5
f(k) = 2(k)+5 = 13
2k = 13-5
2k = 8
k = 8 : 2
k = 4