Which is the domain of the function f(x) = Negative five-sixths (three-fifths) Superscript x?

Mathematics

1 answer:

amm18122 years ago

8 0

Answer:

All real numbers less than 0

Step-by-step explanation:

I think it's this one because greater than 0 is wrong

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A portion of a hiking trail slopes upward at about a 6 angle. To the nearest tenth of a foot, what is the value of x, the distan

Firdavs [7]

The distance covered by the hiker if he traveled a horizontal distance of 120 ft at and angle of 6° will be given by:
cos θ=adjacent/hypotenuse
let the hypotenuse be h, adjacent =120 ft, θ=6°, thus plugging in the values we shall have:
cos 6=120/h
h=120/cos 6
h=120.661 ft
Answer: 120.661 ft

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A report from a Gallup poll 1 in 2011 started by saying, "Forty-five percent of American adults reported getting their health in

snow_tiger [21]

Answer:

The interval estimate for the population proportion of American adults who got their health insurance from an employer is (0.43, 0.47).

Step-by-step explanation:

The confidence interval is the interval estimate of the population parameter.

The confidence interval has a certain probability that the true value of the parameter is contained in the interval.

The general form of the confidence interval is:

$CI=SS\pm MOE$

Here,

SS = sample statistic.

MOE = margin of error

The sample statistic is an unbiased estimator of the population parameter. If the sample size is large enough then the sample statistic can be used to estimate the population parameter value.

In this case the parameter of interest is the population proportion of American adults who got their health insurance from an employer.

The information provided is:

SS = p = 0.45.

MOE = 0.02.

Compute the confidence interval for the population proportion p as follows:

$CI=p\pm MOE\\=0.45\pm 0.02\\=(0.43, 0.47)$