Your answer is 3x^(2)+3x+6
Hope this helped!
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Answer:
The probability distribution for x:"number of children per family for this income group" is:

Step-by-step explanation:
With the information given we have the relative frequencies of each category.
We know:

Answer:
6 (may change if multiple number cubes are used; 2 dice = 6^2, 3=6^3, so on)
Answer:
2x squared +1 (-)x squared -7 is
a.) x squared +8
Step-by-step explanation:
:)