Question

(tolong jawab, tentang fungsi, pke cara)
f(x) = 2x-1/x+3
f(m) = -5
Tentukan nilai M

Answer 1

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

f(m)= 2m -1/ m + 3 = 5
=> -5(m + 3) = 2m - 1
=> -5m - 15 = 2m -1
=> -5m - 2m - 15 = -1
=> -7m - 15 = -1
=> -7m = -1 + 15
=> -7m = 14
=> -m = 2
=> m = -2