It seems like you are listing types of mathematical functions. Here’s a brief description of each:
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Quadratic Function: A function of the form \( f(x) = ax^2 + bx + c \), where \( a, b, \) and \( c \) are constants and \( a \neq 0 \). The graph of a quadratic function is a parabola.
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Exponential Function: A function of the form \( f(x) = a \cdot b^x \), where \( a \) is a constant and \( b \) is the base of the exponential, with \( b > 0 \) and \( b \neq 1 \). These functions grow (or decay) rapidly and have a distinct shape that increases or decreases exponentially.
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Absolute Value Function: A function of the form \( f(x) = |x| \), which outputs the non-negative value of \( x \). The graph of an absolute value function is V-shaped, reflecting all negative values of \( x \) into positive.
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Linear Function: A function of the form \( f(x) = mx + b \), where \( m \) and \( b \) are constants. The graph of a linear function is a straight line.
If you need assistance with a specific question related to these functions, feel free to ask!