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3. is the horizontal plane of a graph in a Cartesian coordinate system
8. is the point at which the graph crosses the x-axis
10. part of a whole
11. growth when the rate at which it increases is proportional to its value
12. a number that when multiplied by itself gives the actual number
13. decimal a decimal number that has a fixed, finite number of digits after the decimal point
15. means having similar or identical parts arranged on either side of a central axis, creating a balanced or mirror-image effect.

1. decay describes the process of reducing an amount by a consistent percentage rate over a period of time.
2. a point where the graph of a function or relation intersects the y
4. shifts are inside changes that affect the input ( x- ) axis values and shift the function left or right.
5. refers to something of the second degree, specifically in mathematics.
6. is the vertical line in a Cartesian coordinate system or graph
7. function the rate at which something changes, particularly a very rapid increase or decrease
9. shift is when the graph literally moves vertically, up or down
14. is the value that appears most frequently in a dataset