Answer:
3 cups of walnuts
Step-by-step explanation:
Step 1: We have a ratio of 1 cup of walnuts to 1 cup of walnut muffins
1:1
Step 2: We are given 3 batches of walnut muffins
?:3
Step 3: We know this is a 1 to 1 ratio
3:3
Therefore you will need 3 cups of walnuts to make 3 batches of muffins
Ration expressions cause excluded values wherever the denominator equals zero.
So, for any expression like

-5 is an excluded value if 
For example, the simplest one would be

In fact, if you try to evaluate this function at -5, you'd have

which is undefined, and thus you can't evaluate the function, and thus -5 is an excluded value.
Answer:
A
Step-by-step explanation:
The interception of the two lines is the solution point.
Answer:
The degree of is 4.
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