Adaptive Practice
Functions
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Question 1 of 10
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Easy
If \(f(x) = 3x + 5\), what is \(f(2)\)?
Medium
Which of the following is a function?
Medium
If \(f(x) = 2x - 3\) and \(g(x) = x^2\), find \((g \circ f)(1)\).
Easy
The domain of the function \(f(x) = \frac{5}{x-4}\) is:
Medium
If \(f(x) = x^2 - 4x + 3\), find the value of \(x\) for which \(f(x) = 0\).
Medium
Which of the following represents a one-to-one function?
Hard
If \(f(x) = \frac{1}{x}\), what is \(f^{-1}(x)\), the inverse function?
Medium
If \(f(x) = 2x + 1\) and \(g(x) = x^2\), find \((f \circ g)(-2)\).
Medium
Which of the following is NOT a function?
Easy
Given \(f(x) = 4x - 5\), find \(x\) if \(f(x) = 15\).