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AveGali [126]
3 years ago
11

Is this a linear function , why or why not ? explain y=x^2-1

Mathematics
1 answer:
kotykmax [81]3 years ago
8 0
If you graph out y = x^2 - 1, you'll see that it is a curved parabola. It is not a straight line. So visually this shows the equation is not linear. It's considered nonlinear.

Algebraically, the given equation does not fit the form y = mx+b which is slope intercept form. So this is more confirmation that we do not have a linear function.
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The functions f(x) and g(x) are shown on the graph f(x)=^2 what is g(x)
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**view image**
vladimir1956 [14]

The chart has been completed in the picture attached.

Step-by-step explanation:

Step 1:

It is given that the number of bacteria doubles every 6 hours.

So if there are 1 million now, in 6 hours there would be double that i.e. 2 million and it will go on.

Step 2:

As the first column says the number of 6-hour periods, the second column is the actual number of hours.

So the second column is multiples of 6 so the second column is filled with;

0, 6, 12, 18, 24, 30, 36, 42 and 48.

Step 3:

The current population is calculated by multiplying the previous population by 2.

For 0 hours, the population = 3 million,

For 6 hours, the population = 2(3) = 6 million,

For 12 hours, the population = 2(6) = 12 million,

For 18 hours, the population = 2(12) = 24 million,

For 24 hours, the population = 2(24) = 48 million,

For 30 hours, the population = 2(48) = 96 million,

For 36 hours, the population = 2(96) = 192 million,

For 42 hours, the population = 2(192) = 384 million, and

For 48 hours, the population = 2(384) = 768 million.

So at the end of 48 hours, there will be approximately 768 million bacteria on the pinhead.

8 0
3 years ago
Need that help.......plz
Anika [276]
For Question Number one
(2+10)²+4=148

Question Number two:
(6+5)×(8-6)=22



5 0
3 years ago
182.5<br> % of <br> £<br> 269.14<br> Give your answer rounded to 2 DP.
MissTica

Answer:

Answer = £491.18 (to 2 d.p)

8 0
2 years ago
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