f:R->R dgn f(x)=2x-5
tentukan f^-1(x)
a. x+25/2
b. 4x+5/2
c. -x+5/2
d. x-5/2
e. x+5/2
Dik
FUNGSI INVERS
f(x) = y
2x – 5 = y
2x = y + 5
x = 1/2(y + 5)
x = (y+5)/2
f-1(y) = (y+5)/2
f-1(x) = (x+5)/2
jwb. e
f:R->R dgn f(x)=2x-5
tentukan f^-1(x)
a. x+25/2
b. 4x+5/2
c. -x+5/2
d. x-5/2
e. x+5/2
Dik
FUNGSI INVERS
f(x) = y
2x – 5 = y
2x = y + 5
x = 1/2(y + 5)
x = (y+5)/2
f-1(y) = (y+5)/2
f-1(x) = (x+5)/2
jwb. e