f(2x-3) = 6x-5 nilai f(5) = ...... A. 25. C.-19 B. 19. D.-25

Langsung aja y

2x - 3 = 5
2x = 5 + 3
x = 8 : 2
x = 4

f(5) = 6(4) - 5
f(5) = 24 - 5
f(5) = 19

Jawabannya B

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