___________________________________________
f(b) = 6b² + b
f(6) + f(4)
= (6(6²) + 6) + (6(4²) + 4)
= (6(36) + 6) + (6(16) + 4)
= (216 + 6) + (96 + 4)
= 222 + 100
= 322
f(6) = 6(6)² + 6
f(6) = 6(36) + 6
f(6) = 216 + 6
f(6) = 222
--
f(4) = 6(4)² + 4
f(4) = 6(16) + 4
f(4) = 96 + 4
f(4) = 100
222 + 100
322
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SOAL Q.
___________________________________________
f(b) = 6b² + b
___________________________________________
f(6) + f(4)
= (6(6²) + 6) + (6(4²) + 4)
= (6(36) + 6) + (6(16) + 4)
= (216 + 6) + (96 + 4)
= 222 + 100
= 322
___________________________________________
f(b) = 6b² + b
f(6) = 6(6)² + 6
f(6) = 6(36) + 6
f(6) = 216 + 6
f(6) = 222
--
f(b) = 6b² + b
f(4) = 6(4)² + 4
f(4) = 6(16) + 4
f(4) = 96 + 4
f(4) = 100
--
f(6) + f(4)
222 + 100
322