f(2x-1)=4x+7 nilai f(-5)= a.-5 b.-1 c.1 d.5
Matematika
viontikavivian
Pertanyaan
f(2x-1)=4x+7
nilai f(-5)=
a.-5
b.-1
c.1
d.5
nilai f(-5)=
a.-5
b.-1
c.1
d.5
1 Jawaban
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1. Jawaban abyandaffa11
f(2x - 1) = 4x + 7
f(-5) = ...?
2x - 1 = -5
2x = -4
x = -2
f(2 (-2) - 1) = 4(-2) + 7
f(-4 - 1) = -8 + 7
f(-5) = -1
Jawaban: B