samaryperez44
samaryperez44
23-02-2015
Mathematics
contestada
Help help help help thanks lol
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
What is the solution to the equation -2(3x-5)<34
Solve this problem 5*3
CdBr : Cu3(PO4)2 : KNO3 : Ag2SO3 : Na2CO3 : MgBr : Mn(OH)2 :
Alcohol plus ____ affects short-term memory and tracking ability
Some studies have indicated that our eyes naturally travel from bottom left to top right, so putting the diagonal along that path can take advantage of our eye
How are race and ethnicity different from on another? I chose C A: Race is determined by geographic location; ethnicity is defined by biological characteristics
HELP PLEASE !!! how many solutions does the system of equations have? x - 4y = 12 and y = 1/4 x - 3 a. one b. two c. infinitely many d. none
Which statement would produce a tautology? p q p q p p q p
write an equivalent time using only the smallest unit 6 days 14 h130h158h134h144h
1. Do you think this wing is from the left side or the right side of the chicken’s body? Explain your answer. PLEASE ANSWER ASAP