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sweet [91]
3 years ago
8

I’m confused on questions c-f

Mathematics
2 answers:
attashe74 [19]3 years ago
8 0
C= 4x^2 -5x + 3
D= -4x^2 + 11x +1
E= 4x^2 -11x -1
F would be like the first one, just plug in 4 where the Xs are so I think it’s 47
Nadya [2.5K]3 years ago
4 0
I gotchu !! just give me a moment to write it out
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After 2 hours, there are 1,400 mL of fluids remaining in a patient’s IV. The fluids drip at a rate of 300 mL per hour. Let x be
CaHeK987 [17]

Answer:

y(2) = 1400

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1400= -300*2 +b

And solving for b we got:

b= 1400+ 600= 2000

So then our linear function is given by:

y = -300x +2000

Where y is the amount of fluid left and x the number of hours ellapsing

Step-by-step explanation:

We want to set up a linear function like this one:

y = mx+b

Where y is the amount of fluid left, m the slope and b the initial amount. From the info given we know thatm = -300. And we also have the following condition:

y(2) = 1400

Using this condition we got:

1400= -300*2 +b

And solving for b we got:

b= 1400+ 600= 2000

So then our linear function is given by:

y = -300x +2000

Where y is the amount of fluid left and x the number of hours ellapsing

6 0
3 years ago
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