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Ostrovityanka [42]
2 years ago
9

You are babysitting for your neighbor's child who just turned one. you are playing with the child's favorite stuffed bear but yo

u notice that when you put the bear behind your back the child makes no attempt to find it and just starts to cry. developemental psychologist would definately say that the child has not developed:
SAT
2 answers:
Furkat [3]2 years ago
8 0

The answer is b) object permanence.

Vera_Pavlovna [14]2 years ago
7 0
Object permanence. Meaning they think it is gone for good when it is out of their sight.
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The function f is continuous on the interval (0,16), and f is twice differentiable except at x=5 where the derivatives are undef
Oliga [24]

Using it's definition, it is found that the function f(x) has a point of inflection at:

A. x = 8 only.

<h3>What are the points of inflection of a function?</h3>
  • The critical points of a function are the <u>values of x</u> for which:

f^{\prime\prime}(x) = 0

  • Additionally, there has to be a change in the sign of f^{\prime\prime}(x)

Researching the problem on the internet, it is found that:

  • For 0 < x < 5, f^{\prime\prime}(x) > 0.
  • For x = 5, f^{\prime\prime}(x) is undefined.
  • For 5 < x < 8, f^{\prime\prime}(x) < 0.
  • For x = 8, f^{\prime\prime}(x) = 0.
  • For 8 < x < 12, f^{\prime\prime}(x) > 0.
  • For x = 12, f^{\prime\prime}(x) = 0.
  • For 12 < x < 16, f^{\prime\prime}(x) > 0.

The two conditions, f^{\prime\prime}(x) = 0 and a change in the signal of f^{\prime\prime}(x) are only respected at x = 8, which is the lone inflection point.

You can learn more about points of inflection at brainly.com/question/10352137

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2 years ago
Does the confidence interval give convincing evidence of a difference in the population mean number of pairs of shoes for boys a
lidiya [134]

The confidence interval did give convincing evidence that there is difference in the population mean number of pairs of shoes for boys and girls at the school.

<h3>Why does the confidence interval did give convincing evidence?</h3>

The interval is one that gave a good convincing evidence, based on the fact that the number 0 stands as NO difference ( (girls boys) and thus it is = 0 ).

It is also not  not included in this interval and as such, it can mean that the difference in the mean number of shoes owned by girls and  the mean number of shoes owned by boys is 0 .

Learn more about  confidence interval from

brainly.com/question/15712887

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Explanation:

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The problem with relying on a point estimate of a population parameter is that the point estimate
Ostrovityanka [42]

Answer:

rephrase please?

Explanation:

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What are your attitude toward community colleges.
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