College Algebra CLEP Prep 2025 – 400 Free Practice Questions to Pass the Exam

An inverse function is a function that does the opposite of the original function. Therefore, the inverse of y = 4x + 3 would involve reversing the operations and solving for x. In choice A, the division of 4 and x are reversed, but the constant term 3 is still added. Similarly in choice B, the division is reversed but the coefficient of x is changed to -4. In choice C, the addition of 3 is reversed, but the coefficient of x is changed to 4.

Choice D is the only option that both reverses the operation and keeps the correct coefficient of x. Therefore, it is the correct inverse function for y = 4x + 3.