# Chapter 4 - Integration - 4.1 Exercises - Page 251: 33

1. y= 4x 2. y= 4x + 7

#### Work Step by Step

$\int$4 dx = 4x+C According to above calculation we get y=4x+C. Thus,any two functions can be formed by plugging in any number instead of C (Constant). Therefore, y= 4x and y= 4x + 7 are two suitable solutions.

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