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Why use pie in periodic functions?
Pie is tasty. Pi, however, is what you use in periodic functions. +++ And you do so because periodic functions have properties linked to those of the circle. (You can illustrate this by plotting a sine curve on graph-paper, from a circle whose diameter is the peak-peak amplitude of the wave..)
A function whose graph has no gaps or breaks?
continuous
What does a linear equation graph look like?
A linear function is a function whose graph is a straight line.
Which graph is a cumulative frequency graph?
For ungrouped data, the graph for a random variable (rv), X, is usually a line graph whose horizontal axis is the values that the random variable can take, and whose vertical axis is the number of observations (or outcomes) of the random variable that are less than or equal to that value of the rv. For grouped data the graph is usually a corresponding bar graph.
An equation whose graph is a line?
y=mx+c
