Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below.
2 answers:
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Domain :
Range:
Explanation:
It is given that Bev earns $2 a week.
Thus, for n number of weeks, we shall multiply $2 with n.
Where is the number of weeks.
For 1 week, Bev earns ⇒ $2
For 2 weeks, Bev earns ⇒ $4
For 3 weeks, Bev earns ⇒ $6
For 4 weeks, Bev earns ⇒ $8
Thus, we can see that the domain is the number of weeks.
Hence, Domain :
Also, the money earned is the range.
Hence, Range:
Answer:
38 pages per hour
Step-by-step explanation:
Rate of reading =
By substituting the given values in the question,
Total number of pages read by Davida = =
Time taken by Davida = 45 minutes
Since, 1 minute = hours
Therefore, 45 minutes = hours
Rate of reading =
=
= 38 pages per hour
Therefore, rate of reading by Davida is 38 pages per hour.