3 years ago

The linear parent function is always (increasing/decreasing).

Mathematics

2 answers:

Alex73 [517]3 years ago

6 0

Answer:

I'm pretty sure it's increasing

Step-by-step explanation:

because the linear parent function is x=y, no negative signs

dexar [7]3 years ago

4 0

Answer:

Increasing

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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3 years ago

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3sina-4sin4a/sin5a<br> if a=-45 degree

Ierofanga [76]

Given:

The given expression is:

$\dfrac{3\sin a-4\sin 4a}{\sin 5a}$

To find:

The value of the given expression at $a=-45$ .

Solution:

We have,

$\dfrac{3\sin a-4\sin 4a}{\sin 5a}$

Substituting $a=-45$ , we get

$\dfrac{3\sin (-45)-4\sin [4(-45)]}{\sin [5(-45)]}$

$=\dfrac{-3\sin (45)+4\sin (180)}{-\sin (225)}$

$=\dfrac{-3\sin (45)+4\sin (180)}{-\sin (180+45)}$

$=\dfrac{-3\sin (45)+4\sin (180)}{\sin (45)}$

On substituting $\sin (180)$ , we get,

$=\dfrac{-3\sin (45)+4(0)}{\sin (45)}$

$=\dfrac{-3\sin (45)+0}{\sin (45)}$

$=\dfrac{-3\sin (45)}{\sin (45)}$

$=-3$

Therefore, the value of the given expression at $a=-45$ is $-3$ .

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2 years ago

7(3r - 1) - (r + 5) = -52<br><br> Please step by step help

MrMuchimi

7(3r-1)-(r+5)=-52

21r-7-r-5=-52

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3 years ago

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Nadusha1986 [10]

Answer:

Step-by-step explanation:

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3 years ago