fungsi h(x)=3xx7mempunyai h(a)=4dan h(5)=b. nilai a-b

Fungsi

h(x) = 3x × 7

h(a) = 4
3a × 7 = 4
3a = ⁴/₇
a = (⁴/₇) / 3
a = (⁴/₇) × (¹/₃)
a = ⁴/₁₀

h(5) = b
h(5) = 3(5) × 7
b = 15 × 7
b = 105

a - b = ⁴/₁₀ - 105
a - b = ⁴/₁₀ - ¹⁰⁵⁰/₁₀
a - b = ⁻¹⁰⁴⁶/₁₀
a - b = -104,6