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ki77a [65]
3 years ago
8

Evaluate the function f(x) = –2x2 – 3x + 5 for the input value –3. −22 –4 2 32

Mathematics
2 answers:
iragen [17]3 years ago
6 0

Answer:

B

Step-by-step explanation:

zalisa [80]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

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1-sin^2x/sinx-cscx <br><br>How do I solve this problem? I keep getting the wrong answer.
Annette [7]

Answer:

-sinx

Step-by-step explanation:

a trig identity that is crucial to solving this problem is: sin^2 + cos^2 = 1

with knowing that, you can manipulate that and turn it into 1 - sin^2x = cos^x

so 1-sin^2x/sinx - cscx becomes cos^2x/sinx - cscx

it is also important to know that cscx is the same thing as 1/sinx

knowing this information, cscx can be replaced with 1/sinx

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now sinx and 1/sinx do not have the same denominator, so we need to multiply top and bottom of sinx by sinx; it becomes....

cos^2x

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(sin^2x - 1)/sinx

notice how in the denominator it has sin^2x-1 which is equal to -cos^2x

so now it becomes:

cos^2x

--------------

-cos^2x/sinx

because we have a fraction over a fraction, we need to flip it

cos^2x          sinx

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3 0
3 years ago
Need help pleaseee i have a test on friday
larisa [96]

Answer:

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3 years ago
What is the explicit rule for the geometric sequence?<br><br> 600,300,150,75,
JulijaS [17]

Answer:

a_{n} = 600/2^{n-1}

This the correct answer

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3 years ago
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