Respuesta :

Curved lines rules out linear functions and absolute value functions.
Some functions with curved lines, such as exponential functions and logarithmic functions, will ONLY increase or decrease. We are left with quadratic functions, and other similar functions such as cubic functions. The functions of trigonometric terms such as sin and cosine will also fit your criteria.

Answer:

Quadratic and Exponential Functions

Step-by-step explanation:

Quadratic functions are the only ones that curve and both increase and decrease. Exponential functions curve but only increase or only decrease. If you look at the attachment below, you can see what quadratic and exponential functions look like.

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