Want is the inverse of the function f (x) = 2x-10

Question

Mathematics

Juliet Barry

3 January, 21:41

Want is the inverse of the function f (x) = 2x-10

+3

Answers (2)

Know the Answer?

Neil Pace · Answer 1

f

-

1

(

x

)

=

1

2

x

+

5

Explanation:

f

(

x

)

=

2

x

-

10

→

Replace the

f

(

x

)

with

y

y

=

2

x

-

10

→

Switch the places of the x and the y

x

=

2

y

-

10

→

Solve for y

x

+

10

=

2

y

y

=

1

2

x

+

5

The inverse is

f

-

1

(

x

)

=

1

2

x

+

5

Terrell · Answer 2

Terrell 4 January, 01:13

0

The inverse is

f^-1 (x) = 1/2x+5