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 2 years ago
The cost in dollars, C(d), to rent a houseboat during July to August from a certain company is given by C(d) = 120d + 100, where d is the number of rental days. a) Why does the 100 represent the fixed cost and the independent variable of the number of days? b) State the domain and range: Why is the domain: 0 ≤ d ≤ 62, range: 100 ≤ C ≤ 7540?
 2 years ago
The cost in dollars, C(d), to rent a houseboat during July to August from a certain company is given by C(d) = 120d + 100, where d is the number of rental days. a) Why does the 100 represent the fixed cost and the independent variable of the number of days? b) State the domain and range: Why is the domain: 0 ≤ d ≤ 62, range: 100 ≤ C ≤ 7540?

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liliy
 2 years ago
Best ResponseYou've already chosen the best response.1a) independent means that it will not be changed no matter what, so in every case no matter how many days you rent it. you will always have to add 100 . that is why its independent.

milliex51
 2 years ago
Best ResponseYou've already chosen the best response.0Because when I graphed the function it is no where 62 and 7540. But I do know that from July to Agusut = 62 days and 120(62)+100 = 7540.

liliy
 2 years ago
Best ResponseYou've already chosen the best response.1july and aug have 31 days each so together its 62 days. so you can rent for a range between 0 adn 62 days.when you plug in those numbers you get the y values

milliex51
 2 years ago
Best ResponseYou've already chosen the best response.0what do you mean when I plug in those numbers?

liliy
 2 years ago
Best ResponseYou've already chosen the best response.1well in a simple equation we have y=x+.... so the 0 to 62 are the numbers you would put in for the x and finish the equationto find the range of the y.

milliex51
 2 years ago
Best ResponseYou've already chosen the best response.0i still don't get it :(

liliy
 2 years ago
Best ResponseYou've already chosen the best response.1in your equation:C(d) = 120d + 100, the d is the"x" and the C(d) is the y. so when you put in 0 you have C(d)=120*0+100. and you get C(d)=100. then plug in 62 day.: C(d)=120*62+100.cC(d)=7540::) so the smallest amoiunt was 100 and the largest amount was 7540

milliex51
 2 years ago
Best ResponseYou've already chosen the best response.0ohhhh, i see. But how about x?

liliy
 2 years ago
Best ResponseYou've already chosen the best response.1so x represnts thedays you can rent. as i said before:how many days can someone rent?

milliex51
 2 years ago
Best ResponseYou've already chosen the best response.062 days so from 0 to 62?
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