4)
f(x)=2x-2+1
a)
x | 0 | 1 | 2 | 3 | 4 |
f(x) | 1.25 | 1.5 | 2 | 3 | 5 |
shift the graph of y=2x horizontally 2 units to the
right and vertically upwards by 1 unit to get graph of
f(x)=2x-2+1
---------------------------------------------------------
b)
let f(x)=y
=>x=f-1(y)
2x-2+1=y
=>2x-2=y-1
=>x-2=log2(y-1)
=>x=2+log2(y-1)
=>f-1(y)=2+log2(y-1)
=>f-1(x)=2+log2(x-1)
c)
x | 1.25 | 2 | 3 | 5 |
f-1(x) | 0 | 2 | 3 | 4 |
PLEASE COMMENT IF YOU HAVE ANY DOUBT.PLEASE RATE IF HELPFUL
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