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juin [17]
2 years ago
15

3.If x=3, what is the value of 3?​

Mathematics
1 answer:
algol132 years ago
8 0

Answer:

is it proper question I am sorry I canot understand

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Karla’s starting salary was $32,000. She gets a 5% raise every year. Does this situation model a linear function?
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I believe it does

Step-by-step explanation:

32000 times .05

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On a 120-question test, a student got 96 correct answers. What percent of the
madreJ [45]

Answer:

80%

Step-by-step explanation:

Percentages are usually found by taking the value that you want to find and dividing it by the whole amount (100% of the total value available). In this case, getting 100% on the test would mean getting 120/120, because 120 points is 100% of the points available. However, the student only got 96 points out of the whole 120 points, so to find the percentage, you do 96/120 to find what part of 96 comes out of 120. Then to convert to percentage, multiply that value by 100 to get your finale value.

5 0
3 years ago
Anyone help me? If f(x) is differentiable for the closed interval [−3, 2] such that f(−3) = 4 and f(2) = 4, then there exists a
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You're using Rolle's theorem. This theorem states that, if a function is continous in [a,b] and differentiable in (a,b), and f(a)=f(b), then there exists a middle point c \in [a,b] such that f'(c)=0

In other words, if a continous and differentiable function starts and ends at the same height, then it has a maximum or minimum.

In your case, since the function is differentiable in the closed interval, it is also continuous in the closed interval (differentiability implies continuity), and also being differentiable in the closed interval obviously implies that the function is differentiable in the open interval. Also, you're given that the function evaluates to 4 at both extreme points, so the hypothesis of the theorem are granted.

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3 years ago
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