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 ( 44+ )
Otras preguntas
Which of the following describes how all consumers get their energy? A. directly from the sun B. From eating primary producers C. From inorganic chemicals like
Rewrite 6×(5 3) in distributive property
After the War of 1812, the United States was seen as a greater military power because it had won a great victory. there was no clear winner. US land troops perf
How would you convert 93/20 to a decimal?
make 9/34 into a percent!<br />PLEASE HELP!
Which plant cell organelle use sun light energy to produce sugar?
In the mid- 1500's, John Calvin taught that humans could not change their fate through prayer, faith, or good deeds. This philosophy became know as. A. Indulge
julia prefers a filing system, in which the letters of the alphabet are used to identify a file
jen thought of a number. she called her number k. she subtracted 34 from her number, multiplied the result by 9, and she got 72. what was k equal to?
The total dinner bill at a buffet came out $589 31 people. About how much was the buffet cost per person?
