andre21210 andre21210
  • 04-08-2015
  • Mathematics
contestada

Let f(x) = x2 - 81. Find f-1(x).

Respuesta :

JaySL JaySL
  • 04-08-2015
This is equivalent to finding a function g in which [tex]g(x^2-81)=x[/tex].

We simply reverse the actions of the initial function by adding 81 back and taking the square root.  Therefore, [tex]f^{-1}(x)=\sqrt{x+81}[/tex].
Answer Link

Otras preguntas

The average weight of top 5 fish at a fishing tournament was 13.6 pounds some of the weight of the fish are shown in the table
what happend to elias boudinot as a result of signing the treaty of new echota
What is 3.3 rounded to the nearest whole
Please help me with this!!!!!
Abnormal condition resulting in the diminished flow of perspiration is
I need to Know the answer and how to get it
How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by mass solution? Show all of the work
Cases involving diversity of citizenship arise only between citizens of different states a. True b. False
What is 12.79 rounded to the nearest tenth
Q # 16. please please help me