3 years ago

Given a function f(x)=2x^2+3, what is the average rate of change of f on the interval [2, 2+h]?

Mathematics

1 answer:

-Dominant- [34]3 years ago

3 0

-8h - 2h^2

f(2)-f(2+h) = -8h - 2h^2

Mark brainliest please

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Answer:

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3 years ago

A sample of 60 items from population 1 has a sample variance of 8 while a sample of 40 items from population 2 has a sample vari

lora16 [44]

Answer:

H0: $\sigma^2_1 = \sigma^2_2$

H1: $\sigma^2_1 \neq \sigma^2_2$

The statistic would be given by:

$F=\frac{s^2_2}{s^2_1}=\frac{10}{8}=1.25$

Step-by-step explanation:

Information given

$n_1 = 60$ represent the sample size 1

$n_2 =40$ represent the sample size 2

$s^2_1 = 8$ represent the sample variance 1

$s^2_2 = 10$ represent the sample variance 2

The statistic to check the hypothesis is given by:

$F=\frac{s^2_2}{s^2_1}$

Hypothesis to test

We want to test if the two variances are equal, so the system of hypothesis are:

H0: $\sigma^2_1 = \sigma^2_2$

H1: $\sigma^2_1 \neq \sigma^2_2$

The statistic would be given by:

$F=\frac{s^2_2}{s^2_1}=\frac{10}{8}=1.25$

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Andrew and Taylor went apple picking. When they finished apple picking Taylor had 4 times as many apples in her basket as Andrew

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Answer:

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Step-by-step explanation:

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