Answer:

Step-by-step explanation:
Given

Required
Number of books in 1 week
Represent the number of books in 1 week with x.
So, we have:

Cross Multiply


Convert fraction to improper fraction

Multiply through by 



<em>Hence: 12/7 books were read in a week</em>
Answer:
A. 
Step-by-step explanation:
The domain of a function is the set of
-values.
-2 is the only domain I think. The rest are not. Hope I’ve helped.
Answer:
When using desmos I got y=x^{2}-4x+3 (the 2 is an exponent btw) I inserted a picture. I hope this helped
Step-by-step explanation:
Answer:
When two ratios are equivalent and show the same value