Well, they determine the sex.
XX = female
XY = male
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y = 0 and y = 1 are two linear functions. They're not especially interesting ones.
Trigonometric functions, exponential functions are two common examples.
Well, it sounds like a plausible statement, and maybe it would be true . But we haveno idea what the graph of two functions is.Perhaps you could graph the sum of two functions, or the difference of two functions,or their product, or their quotient. We believe that if the original two functions areboth continuous, then their sum and difference would also be continuous, but theirproduct and their quotient might not necessarily be continuous. However, we stilldon't know what the "graph of two functions" is.
An even function
true