3 years ago

What is the value of the function at x=−2? (98 points)

Mathematics

1 answer:

Archy [21]3 years ago

8 0

The answer is c, y=2. if you look at the graph you can see that where x=-2 the line intersects the y axis at +2.

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What percent of 20 is 40? A 50% B 75% C 100% D 200%

svet-max [94.6K]

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40 is 200% of 20

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4 years ago

Which expression is equal to the example?

Aloiza [94]

$1-(cosx)^4$ value is $2sin^4-sin^4x$ . Correct option is D) $2sin^4-sin^4x$ .

Step-by-step explanation:

Here we have , expression to evaluate:

$1-(cosx)^4$

⇒ $1-((cosx)^2)^2$

⇒ $1-(1-(sinx)^2)^2$

We know that , $sin^2x = 1-cos^2x$ , putting value in equation $1-(1-(sinx)^2)^2$

⇒ $1-(1+sin^4x-2sin^4)$

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⇒ $-sin^4x+2sin^4$

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Therefore , $1-(cosx)^4$ value is $2sin^4-sin^4x$ . Correct option is D) $2sin^4-sin^4x$

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Decimal for one half

MatroZZZ [7]

Answer:

0.5

Step-by-step explanation:

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