Given the function defined in the table below, find the average rate of

Mathematics

1 answer:

Savatey [412]3 years ago

5 0

Answer:

The average rate of change from 2 < x < 3 is -3.

Step-by-step explanation:

f(2) = 13

f(3) = 10

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I'm so sorry for asking about this, I know I know how to solve this, but my mind keeps pulling a blank, please help!

cricket20 [7]

Answer:

add like terms

y=-3+1x-y=6

ok, umm 3 times 2= 6 right? don’t know why there are two = signs try plus -y to positive y and that would give you

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2 years ago

What is the equation of a line with a slope of 6 and a y-intercept of -2?

mina [271]

Answer:

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Step-by-step explanation:

_________________________

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2 years ago

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Find the exact value of cos285 using the fact that 285=330-45

nasty-shy [4]

$\bf \textit{Sum and Difference Identities}
\\\\
cos(\alpha - \beta)= cos(\alpha)cos(\beta) + sin(\alpha)sin(\beta)\\\\
-------------------------------\\\\
cos(285^o)
\\\\\\
cos(330^o-45^o)=cos(330^o)cos(45^o)+sin(330^o)sin(45^o)
\\\\\\
cos(330^o-45^o)=\left( \frac{\sqrt{3}}{2} \right)\left( \frac{\sqrt{2}}{2} \right)~~+~~\left( \frac{1}{2} \right)\left( \frac{\sqrt{2}}{2} \right)
\\\\\\
cos(330^o-45^o)=\cfrac{\sqrt{6}}{4}+\cfrac{\sqrt{2}}{4}\implies cos(330^o-45^o)=\cfrac{\sqrt{6}+\sqrt{2}}{4}$