Question

f(x)=2x+2 solve f^-1(x) when x= 4
A. 1
B. 3
C. 4
D. 10

Answer 1

f1 is 4

Answer 2

f2 is 6

Answer 3

f3 is 8

Answer 4

f0 is 2

Answer 5

f-1 is ?.?

Answer 6

find the inverse be swithching the x and y

Answer 7

start by swaping x and y so

x = 2y + 2

now make y the subject

lastly substitute x = 4 to find y

Answer 8

y=2x+2
x=2y+2
4=2y+2
2=2y
y=1

Answer 9

Thank you

Answer 10

\(\Huge\color{green}{\ddot\smile}\)

Answer 11

substitute -x+3 in the x for the function f(x)