Answer:
Michael = x÷7
lee = 2(x÷7)
(x÷7)+2(x÷7)
Step-by-step explanation:
since he earns x dollars every seven days, to get the amount he earns, you divide that amount by 7 and for Lee, she gets twice as much so you multiply Michael's amount by 2
Answer:

Step-by-step explanation:
The marginal cost function, C'(x), is the derivate of the cost function, C(x).
Therefore, we can obtain the cost function by finding the integral of the marginal cost function:

Where 'a' is a constant and represents fixed costs. If fixed costs are $3,000, the cost function is:

Running so you can build up both endurance and stamina. It’ll keep you in shape so you can last longer in a marathon. Constant conditioning will do the trick.
Step-by-step explanation:
That's what I got.
Hope that was helpful
Answer:
3(2.4x+4)=4.1x+7+3.1x has no solutions.