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 ( 36+ )
Otras preguntas
I need help I don’t understand
A slab of insulating material has thickness 2d and is oriented so that its faces are parallel to the z-plane and given by the planes x=d and x= - d. The y- and
nRead the lines from Esperanza Rising. "Mama," said Esperanza. "Your hair!" Mama's hair ran down her back in a single long braid, almost touching her waist. Esp
The primary difference between monopolistic competition and perfect competition is: a) The ease of entry and exit into the industry. b) The number of firms in t
pts Is the set {t, 1} a basis for P2 ? (2 pts.) Is the set {t+ 2t - 1,343 – 2t, 3t² – 2t – 4, +3 - t +1,t+1} a basis for Pz? (2 pts.) Is the set {2t– 1,3t2 - 2t
A poll is taken in which 352 out of 550 randomly selected voters indicated their preference for a certain candidate. (a) Find a 95% confidence interval for p. S
analyze the importance of having an executive presence in health care organizations. How can you apply these skills to your site visits and to future roles as a
consider the pre- and postplanning needs of a film production, as well as what you will need to do during the actual filming of the video. Your action plan shou
which economic indicator tells you about the future expected profits of businesses? A) S&P 500 index. B) Gross domestic product. C) Duration of unemployment
find the HCF of 36 and 9
