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3 years ago

Please answer !!!!!!!! Will mark brainliest !!!!!!!!!!!

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

7 0

No because x= 5 so yea

erastovalidia [21]3 years ago

3 0

No because to be a function, each dot on the graph would need to be located at its own x value. Looking at the graph you see two dots located at x = 5 so it is not a function.

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Verify that (cos²a) (2 + tan² a) = 2 - sin² a....<br>

Sveta_85 [38]

Trigonometric Formula's:

$\boxed{\sf \ \sf \sin^2 \theta + \cos^2 \theta = 1}$

$\boxed{ \sf tan\theta = \frac{sin\theta}{cos\theta} }$

Given to verify the following:

$\bf (cos^2a) (2 + tan^2 a) = 2 - sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf (cos^2a) (2 + \dfrac{sin^2 a}{cos^2 a} )$

$\texttt{\underline{apply distributive method}:}$

$\rightarrow \sf 2 (cos^2a) + (\dfrac{sin^2 a}{cos^2 a} ) (cos^2a)$

$\texttt{\underline{simplify the following}:}$

$\rightarrow \sf 2cos^2 a + sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf 2(1 - sin^2a ) + sin^2 a$

$\texttt{\underline{distribute inside the parenthesis}:}$

$\rightarrow \sf 2 - 2sin^2a + sin^2 a$

$\texttt{\underline{simplify the following}} :$

$\rightarrow \sf 2 - sin^2a$

Hence, verified the trigonometric identity.

7 0

2 years ago

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Vikki [24]

The correct equation would be 17 + x = 31

6 0

2 years ago

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A) 40<br> B) 130<br> C) 90<br> D) 50

tensa zangetsu [6.8K]

Answer:

m<3 = 90

Step-by-step explanation:

This is a kite. The diagonals intersect each other in such a way that m<1 and m<3 are at right angles. m<3 = 90o

3 0

3 years ago

What is 2% = in simplest form

just olya [345]

Answer:

1/50

Step-by-step explanation:

Hope this helped have a nice day!

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2 years ago

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If you vertically stretch the exponential function f(x)= 2^x by a factor of 4 what is the equation of the new function

GuDViN [60]

ANSWER

$f(x) = 4( {2})^{x}$

EXPLANATION

Given the exponential function,

$y = f(x)$

Then the function

$y =a f(x)$

is stretched vertically by a factor of 'a' units, for a>0.

Based on this, if a=4 and

$f(x) = {2}^{x}$

Then the equation of the new function is

$f(x) = 4( {2})^{x}$

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2 years ago