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Katen [24]
3 years ago
14

The graph of f(x) = 3 . 2*-3 is shown below. g(x) is a transformation of f(x).

Mathematics
1 answer:
DiKsa [7]3 years ago
3 0

Answer: (c)

Step-by-step explanation:

Given

Function f(x) is 3\times 2^x-3

Also, g(x) is the transformation of f(x)

From the graph, it is clear that g(x) passes through the point (0,5)

Now check the option which satisfies the condition

option (c) seems to obey it

g(x)=3\cdot 2^x+2\\g(0)=3\cdot 2^0+2\\g(0)=3\cdot 1+2\\g(0)=3+2\\g(0)=5

Therefore, option (c) is correct.

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Answer:

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Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

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Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

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M = z\frac{\sigma}{\sqrt{n}}

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A sample size of n is needed. n is found when M = 1. So

M = z\frac{\sigma}{\sqrt{n}}

1 = 1.96\frac{10}{\sqrt{n}}

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n = 384.16

Rounding up:

A sample size of 385 is needed.

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