Question

Suatu pemetaan memiliki rumus.
f(x) = 2x-1/x+3. Jika f(m) = -5, nilai m adalah

Answer 1

F(x) = 2x-1/x+3.
f(m) = -5,

2 (-5) - 1/(-5 ) + 3 = f(m)
(-10 )- 1/(-5) + 3 = f(m)
(-2) +1 + 3 = f(m)
2 = f(m)

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