daltonsmith1413
daltonsmith1413
22-06-2016
Mathematics
contestada
Let f(x) = x2 − 81. Find f−1(x).
Respuesta :
olemakpadu
olemakpadu
26-06-2016
f(x) = x² - 81
Finding f⁻¹(x) the inverse function
Let y = f(x) and solve for x.
y = x² - 81
y + 81 = x²
x² = y + 81
x = √(y + 81)
Recall f(x) = y, that means x = f⁻¹(y)
x = √(y + 81)
f⁻¹(y) = √(y + 81)
Therefore f⁻¹(x) = √(x + 81)
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
ok so im now learning y=mx+b word problems and most of my answers are straight forward, the problem is i dont know whats right or wrong heres what im dealing wi
Please Help What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}? A.{1, 2, 3, 4, 6, 8} B.{1, 2, 3, 4} C.{6, 8} D.{2, 4, 6, 8}Which of the fo
Why did world war 1 start
Which value of c makes y^2+8y+c a perfect square A. 4 B.16 C.64 D.8
The Americans with disabilities act requires that wheelchair ramps have a slope no greater than 1/12 what is the minimum horizontal length a 2 foot high ramp ca
how did the location of a farm in the southern colonies affect the kind of crops grown there
At 9:00 a.m. marsha found a parking meter that still had 5 minute until it expired. She quickly put a quarter, 1 dime, and a nickel into The meter and went to h
What Are the Most Common Currency Bills in the US?
How has the War affected Leon,Eugene,and Andrew ?
what did god give to moses on mount sinai
