dejaproctor17
15.04.2020 •
Mathematics
Evaluate the function, find f(-2):
f(x) = 2x² + 3x
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Ответ:
2
Step-by-step explanation:
f(-2) = 2(-2)^2 +3(-2)
f(-2)=2
where ever you see x you put -2 there
i hope this helps
Ответ:
slated surface
17 × 20 = 340
2 triangle sides
2 × 8 × 15 ÷ 2 = 120
backside
8 × 20 = 160
bottom
15 × 20 = 300
sum all of it
340 + 120 + 160 + 300 = 920
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