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Brrunno [24]
2 years ago
8

If f(x)=4x-x^2 find f(x+h)-f(x+h)/2h

Mathematics
1 answer:
Andru [333]2 years ago
3 0

Answer:

0

Step-by-step explanation:

same numerator for that it is zero

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Researchers investigated the possible beneficial effect on heart health of drinking black tea and whether adding milk to the tea
Elanso [62]

Answer:

(a)  It is an experiment.

(b) Group III has been tested to compare the effect of tea

Step-by-step explanation:

24 volunteers are randomly selected to one of the three groups.

Group I drinks two cups of hot black tea without milk

Group II drinks two cups of hot black tea with milk

Group III drinks two cups of hot water but no tea.

At the end of the month, the researchers measured the change in each of the participant's heart health.

The average change of health status of three Groups can be measured and let it be X1', X2' and X3'. We can set up the hypothesis of no difference of heart health i.e H0 : µ1 = µ2 = µ3 against the alternative hypothesis that they are not equal. As the sample size is less than 30, we can use t-statistic.

Under the above logic, (a) it is an experiment.

(b) Group III has been tested to compare the effect of tea or to have comparison between GroupI and Group III.

4 0
3 years ago
Please help. Evaluate this.
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

i dont even know thats hard

7 0
3 years ago
Rachel just purchased a homeowners insurance policy for her new home that costs $0.43 per $100. Her home is worth $387,500. What
natita [175]

Answer:

The answer is A.

Do you need an explanation?

387,500 /100 = 3,875

3,875 * 0.43 = 1,666.25

I multiplied, because, if you divide with a decimal, the number increases, instead of decreasing... hope this helps!

8 0
3 years ago
Which statement is true about this equation?
Vlad [161]

Answer:

D

Step-by-step explanation:

-9x-27+12 = -6x-15-3x

0=0

D) the equation has infinitely many solutions

4 0
3 years ago
Enter the solution to the equation y=f(x) and y=g(x)
Crazy boy [7]

Answer:

trgfdsvcx

Step-by-step explanation:

kj,m

8 0
3 years ago
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