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4 years ago

Please help, I’m almost done with all of it so I’d really appreciate the help! I’ll mark brainliest.

Mathematics

1 answer:

Serhud [2]4 years ago

7 0

Answer:

No.

General Formulas and Concepts:

Vertical Line Test: in order for a graph to be a function, it must pass this test. There can be no 1 x-value for 2 different y-values.

Step-by-step explanation:

When we do the vertical line test, we see that it fails at x = 3. Since there are 2 coordinates on the x = 3 line, it signifies that there is an x-value with 2 different y-values. Therefore, the graph will not be a function.

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vlada-n [284]

Answer:

8900 is the correct answer

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3 years ago

(HURRY PLS 100 POINTS)

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Step-by-step explanation:

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2 years ago

Cheryl has $56 and wants to buy as many notebooks as she can to donate to her school. If each notebook costs $1.60, which inequa

Semenov [28]

The answer will be B; this is because the cost of each notebook is equivalent to 1.6, or is less than or equal to $56 as we are currently unsure of the value of n (number of notebooks) which means it may cost exactly $56 or less than that as she only has $56 to buy the notebooks to donate to her school

8 0

3 years ago

A farmer grows 142 Green pepper plants and 100 a red pepper plants each plant produces about 26 peppers the farmer plans to sell

HACTEHA [7]

Answer:

$18876

Step-by-step explanation:

Given : 142 green pepper plants & 100 red pepper plants, each plant produces 26 peppers, each pepper sells for $3.

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3 0

3 years ago

Find the expansions of sin⁡5θ and cos⁡5θ in terms of sin⁡θ and cos⁡θ.

qwelly [4]

$\bf \textit{quad-angle identities}\\\\\\

cos(4\theta)=8cos^4(\theta)-8cos^2(\theta)+1
\\\\\\
sin(4\theta)=
\begin{cases}
8sin(\theta)cos^3(\theta)-4sin(\theta)cos(\theta)\\\\
4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)
\end{cases}\\\\
-----------------------------\\\\
$

$\bf sin(5\theta)\iff sin(4\theta + \theta)
\\\\\\
sin(4\theta)cos(\theta)+cos(4\theta)sin(\theta)
\\\\\\\
[4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)]cos(\theta)\\\\ + [8cos^4(\theta)-8cos^2(\theta)+1]sin(\theta)$

$\bf -----------------------------\\\\
cos(5\theta)\iff cos(4\theta + \theta)
\\\\\\
cos(4\theta)cos(\theta)-sin(4\theta)sin(\theta)\\\\\\\
[8cos^4(\theta)-8cos^2(\theta)+1]cos(\theta)\\\\
-
[4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)]sin(\theta)$

distribute... and simplify :)

4 0

3 years ago