Given F(x) = 4x³ -5x² - 7x + 9, Find

question 186

Essay

Given f(x) = 4x³ -5x² - 7x + 9, find the intervals where f is increasing and where f is decreasing.

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Definitions:

One-Tail Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used to determine if a parameter is greater than or less than a certain value.

Two-Tail

Describes tests or intervals in statistics that consider extreme values in both tails of the distribution to test hypotheses or compute confidence intervals.

P-Value

The probability of observing data at least as extreme as the data actually observed, under the assumption that the null hypothesis is true.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.