3) Suppose I want to use a "u" substitution to find sec² (9x + 4)dx. What should I choose for u? O the square of sec(x) O tan(x) O 9x+4

Calculus: Early Transcendentals
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Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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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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**Question 3:** 

Suppose I want to use a "u" substitution to find the integral \(\int \sec^2(9x + 4) \, dx\). What should I choose for \(u\)?

- \( \) the square of sec(x)
- \( \) tan(x) 
- \( \) 9x+4
Transcribed Image Text:**Question 3:** Suppose I want to use a "u" substitution to find the integral \(\int \sec^2(9x + 4) \, dx\). What should I choose for \(u\)? - \( \) the square of sec(x) - \( \) tan(x) - \( \) 9x+4
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