Let f(x) = 3+√6 +7x. a) Find f-¹(x). f-¹(x) = 1/7x^2-6/7x+3/7 Correct. Good Job! Preview ƒ−¹(x) = \\x² − ¾/√x + ¾/ b) What is the domain of f-¹(x)? Enter your answer using interval notation.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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It's not all reals:(

Let f(x) = 3+√6 +7x.
a) Find f-¹(x).
f-¹(x) = 1/7x^2-6/7x+3/7
Correct. Good Job!
b) What is the domain of f-¹(x)? Enter your answer using interval notation.
Domain
(- infinity, infinity)
Not quite.
Not quite. Try again. Score: 50%
CHECK ANSWER
Preview
ƒ−¹(x) = \/\x² − ¾x + ¾/
Attempt 2 of 3
Preview
(-∞, ∞)
Transcribed Image Text:Let f(x) = 3+√6 +7x. a) Find f-¹(x). f-¹(x) = 1/7x^2-6/7x+3/7 Correct. Good Job! b) What is the domain of f-¹(x)? Enter your answer using interval notation. Domain (- infinity, infinity) Not quite. Not quite. Try again. Score: 50% CHECK ANSWER Preview ƒ−¹(x) = \/\x² − ¾x + ¾/ Attempt 2 of 3 Preview (-∞, ∞)
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