Question

help me please

Answer 1

f(x) =

Answer 2

answer choices
A.
f -1 (x) = x2 + 5; y >= 5
B.
f-1 (x) = x2 +25; y >= 25
C.
f -1 (x) = x2 + 5; y >= 5
D.
f-1 (x) = x2 +25;y >= 5

Answer 3

@Gravity_Dreams

Answer 4

@undeadknight26

Answer 5

Wolframalpha.com

Answer 6

I tried that and it wasn't giving what I needed, I need to find f1

Answer 7

No idea then mate...

Answer 8

ok thanks though

Answer 9

@jdoe0001
@jim_thompson5910

Answer 10

you are looking for the inverse

Answer 11

\[y=\sqrt{x-5}\]

Answer 12

step1 switch x and y

Answer 13

\[x=\sqrt{y-5}\]

Answer 14

ok x = sqrt y -5

Answer 15

step 2 solve for y

Answer 16

square both sides

Answer 17

\[x^2=y-5\]

Answer 18

\[x^2+5=y\]

Answer 19

replace y with inverse notation

Answer 20

\[f^-1(x)=x^2+5\]

Answer 21

so would it be A?? @precal

Answer 22

is A and C the same?

Answer 23

yes they are