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yarga [219]
3 years ago
11

If f(x) = 2x2 – 1, then f(-3) =​

Mathematics
1 answer:
polet [3.4K]3 years ago
5 0

Answer:

-4 cot (-45)

Step-by-step explanation:

cos (390)

sin (330)

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What is 20 % of 21.00 dollars.
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What is the answer to this equation |x−1|+5=2
barxatty [35]

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coldgirl [10]

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