40 points match the one-to-one functions with the graphs of their inverse functions.

for the first function:

1)

f(x)=20-x

The inverse function is given as:

f(x)=y

20-x=y

i.e.

x=20-y

Hence, the inverse function satisfies the equation:

f(x)=20-x

2)

Now,

f(x)=y

Hence, the equation of inverse function is:

Hence, the graph of inverse function has asymptotes at x=1 and also passes through (0,0).

3)

f(x)=20x

f(x)=y

20x=y

so, the inverse function is:

Hence, the graph of this function is a straight line passing through (0,0)

4)

Let f(x)=y

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step-by-step explanati∵∵∴∴on:

answer: 1 and 3

step-by-step explanation: