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Katyanochek1 [597]

3 years ago

15

What is the answer. please help

1 answer:

LuckyWell [14K]3 years ago

6 0

Answer:

I really can't see it

Step-by-step explanation:

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djyliett [7]

Answer:

D

Step-by-step explanation:

Please mark brainliest

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Given f(x) = 3x^2 + 2x – 1 and g(x) = 4x-5 find ( g of f) (-2)

pishuonlain [190]

Answer:

23

Step-by-step explanation:

Evaluate f(- 2) then substitute the value obtained into g(x)

f(- 2) = 3(- 2)² + 2(- 2) - 1 = 3(4) - 4 - 1 = 12 - 5 = 7 , then

g(7) = 4(7) - 5 = 28 - 5 = 23

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Neporo4naja [7]

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For all real numbers x and y, if x # y = x(x-y), then x # (x # y) =

kati45 [8]

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$x^2-x^3+x^2y=8\\\\x^2(1-x+y)=8\\\\x^2(1-x+y)=2^2\cdot4\iff x^2=2^2\ and\ 1-x+y=4\\\\x=2\ and\ y=4-1+x\\\\x=2\ and\ y=3+2\\\\x=2\ and\ y=5$

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lara31 [8.8K]

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Step-by-step explanation:

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