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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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2+2 my question must be 20 characters long
geniusboy [140]
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7 0
3 years ago
What is the answer to 8/6+ - 9/5
Sindrei [870]

Answer:

-7/15

Step-by-step explanation:

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3 0
3 years ago
If you run for 4 hours at 8 miles an hour and walk 8 hours at 2 miles an hour, how far will you have gone at the end
Darya [45]

Answer:

4 hours at 8 miles an hour: 8(4) = 32 miles in total

8 hours at 2 miles an hour: 2(8) = 16 miles in total

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The answer is A. 48 miles

4 0
3 years ago
Read 2 more answers
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