In CSS, this function can be implemented using @keyframes:
Size
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Position
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Transparency
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Davinci Resolve Expression
Below you see the code of this easing function written in LUA for Davinci Resolve Expression. This will animate from 0 (the beginner of the animation) to 1 (the end of the animation).
Below you see the code of this easing function written in TypeScript. The variable x represents the absolute progress of the animation in the bounds of 0 (beginning of the animation) and 1 (end of animation).