09-01-2017
Mathematics

contestada

Can someone help me out on #14 and/or #16 please.. thank you :)

Can someone help me out on 14 andor 16 please thank you class=

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howabouttomorrow howabouttomorrow

09-01-2017

I'm not sure for #14 but I think I know the answer to #16:

In the equation, h stands for the amount of hours: (4 x h) + 15

Does it make sense to you?

Answer Link

Chicken011 Chicken011

09-01-2017

14. replace x with -4
f(-4) = 3(-4)^2+4(-4)-1
= 48-16-1
= 31

16. cost, C = 4h+15 [h represent hour]

Answer Link

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