supaya fungsi bisa di turunkan (differensiasikan) ketika x = 2 , ada 2 syarat :
a. 2(2)²-1 = a(2) - b
2.4 - 1 = 2a - b
2a - b = 7 (1)
b. Turunkan kedua f(x) :
d(2x²-1)/dx = d(ax-b)/dx
4x = a <= x = 2
4.2 = a
a = 8
c. 2a - b = 7
2.8 - b = 7
16 - 7 = b
b = 9
jadi fungsi nya terdifferensiasi ketika a = 8 , dan b = 9
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supaya fungsi bisa di turunkan (differensiasikan) ketika x = 2 , ada 2 syarat :
a. 2(2)²-1 = a(2) - b
2.4 - 1 = 2a - b
2a - b = 7 (1)
b. Turunkan kedua f(x) :
d(2x²-1)/dx = d(ax-b)/dx
4x = a <= x = 2
4.2 = a
a = 8
c. 2a - b = 7
2.8 - b = 7
16 - 7 = b
b = 9
jadi fungsi nya terdifferensiasi ketika a = 8 , dan b = 9