3 years ago

Evaluate the function f(x)=−3x^ 2−20 Find f(−9)

Mathematics

1 answer:

tia_tia [17]3 years ago

3 0

Answer:

-263

Step-by-step explanation:

If we set -9 as x, f(x) is -3*-9^2 - 20 = -3*81 - 20 = -243 - 20 = -263

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5(x + 3) - 2 = 2 + 5x + 9

Lunna [17]

Answer:

There is no solution

Step-by-step explanation:

$5(x + 3) - 2 = 2 + 5x + 9$

$5x+15-2-2-5x-9=0\\15-13=0\\2=0$

There is no solution

because 2=0 is not possible.

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3 years ago

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sasho [114]

Answer:

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Step-by-step explanation:

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Westkost [7]

Use the substituting equation to solve

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3 years ago

What is equivalent to (x+1) (x-2)(x+4)(3x+7)

marta [7]

Answer: 6x*9

Step-by-step explanation:

open parathesises to

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4 years ago