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Dimas [21]
2 years ago
14

Plssssss help meh with this

Mathematics
2 answers:
valina [46]2 years ago
7 0

Answer:

f(-9) = -263

Step-by-step explanation:

f(-9) = -3(-9)^2 - 20

= -3(81) - 20

= -243 - 20

= -263

Naddik [55]2 years ago
5 0

Answer:

<h2><em><u>ᎪꪀsωꫀᏒ</u></em></h2>

➪-263

Step-by-step explanation:

-3x²-20

-3(-9)²-20

-3(81)-20

-243-20

-263

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