Question

Fungsi invers
Dik =f(x)=x-3/2

Dit=f-1(2)

Answer 1

Dik=

f(x)= x-3/2

Dit f-1(2)?

misalkan y=x-3/2 <=> 2y=x-3

x=2y+3

f-1(y)= 2y+3

maka f-1(x)=2x+3

dit f-1(2)

f-1(2) = 2.2 + 3 = 4 + 3 = 7

Have nice day!