samaryperez44
samaryperez44
23-02-2015
Mathematics
Answered
Help help help help thanks lol
Answer :
konrad509
konrad509
23-02-2015
[tex]f(x)=x^2-81\\ y=x^2-81\\ x^2=y+81\\ x=\pm \sqrt{y+81}\\ f^{-1}(x)=\pm \sqrt{x+81}\\[/tex]
[tex]f(x)=2x-6\\ y=2x-6\\ 2x=y+6\\ x=\dfrac{1}{2}y+3\\ f^{-1}(x)=\dfrac{1}{2}x+3\\ f^{-1}(2)=\dfrac{1}{2}\cdot2+3\\ f^{-1}(2)=1+3\\ f^{-1}(2)=4[/tex]
Answer Link
VIEW ALL ANSWERS ( 35+ )
Other Questions
Which is not an accurate statement about Americas decision to go to war in 1812 A Young leaders in the South and West wanted to go to war to protect American ho
how to find the Cube root of 0000343
Your oven has a power rating of 5000 watt Your oven has a power rating of 5000 watts a How many kilowatts is this b If the oven is used for 2 hours to bake cook
Which word in the sentence is the predicate adjective Does this song sound silly to you A you B song C silly D sound
WHAT Is the rate and unit rate of 796 for 5 Pounds
What major event began the Middle ages in Europe
Which is evidence that scientists use to support the big bang theory A Earth is the only planet with permanent liquid water on its surface B Most galaxies are m
Solve 2x28x72 by completing the square
7 names with a median length of 14 letters
PLEASE HELP I GIVE THANKS
