4. Solve the system by substitution. y=-x2+2x+10 y=x+4
1 answer:
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Consider the function This function has:
- the domain
- the range
If the domain of unknown function is then
or
This means that you have
as a part of needed function.
If the range of unknown function is then
This means that you have to translate function b units up and then the expression of the function is
Answer: correct choice is B.
4 products are being purchased.
Step-by-step explanation:
Given,
Time taken to select each product = 5 seconds
Time taken to complete check out process = 60 seconds
Total time taken for a transaction = 80 seconds
Let,
x be the number of products purchased.
Time taken for each product*Number of product + Time for check out process = total process
Dividing both sides by 5
4 products are being purchased.
Keywords: variable, division
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