# What the heck do a, b, c, and d do?

Remember what the graph of f(x) = sinx looks like? This is considered a parent function. Its children, however, are a different story.
Every sine function can fit the general form f(x) = a sin (bx - c) + d. How does each value of a, b, c, and d effect the parent function? Use the sliders and investigate.

## f(x) = a sin (bx - c) + d

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