Explain the difference between adding and subtracting polynomial expressions and adding and subtracting functions.

You add polynomials when there are plus signs. You subtract them when there is a minus sign. Remember to only add/subtract like terms within the polynomials.

Step-by-step explanation:

You can only add and subtract polynomials when they are like terms such as 5^2 and -3^2, not 5^4 and 3^6

Step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

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