Suatu fungsi f dinyatakan dengan rumus f(x) = 3x – 1, jika f(a 1) = 11, maka nilai a adalah ….
Penjelasan dengan langkah-langkah:
f(x) = 3x – 1
f(a + 1) = 11
f(a + 1) = 3(a + 1) – 1
11 = 3a + 2
3a = 11 – 2
3a = 9
a = 9/3
16th Birthday Gag Gift: 6x9 Notebook, Lined, 110 Pages, funny and original present for teen b
16th Birthday Gag Gift: 6x9 Notebook, Lined, 110 Pages, funny and original present for teen b
Penjelasan dengan langkah-langkah:
f(x) = 3x – 1
f(a + 1) = 11
f(a + 1) = 3(a + 1) – 1
11 = 3a + 2
3a = 11 – 2
3a = 9
a = 9/3