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LiRa [457]
3 years ago
7

What are all the possible rational roots of f(0) = 2x^4+ x^3+ 4?

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

Answer: the answer is 4, just 4

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At the peak of a roller coaster ride, the rider's watch flew off his wrist. The height h in feet of the watch, t seconds after h
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Answer:

3 \: s

Step-by-step explanation:

y =  - 16 {x}^{2}  + 32x + 48 \\ 0 =  \frac{ - 16 {x}^{2} + 32x + 48 }{ - 16}  \\0  =  {x}^{2}   - 2x - 3 \\   0= {x}^{2}  - 3x + x - 3 \\  0= x(x - 3)  + 1(x - 3) \\0  = (x + 1)(x - 3) \\  \\ x + 1 = 0  \\ x =  - 1 \\ x - 3 = 0 \\ x = 3

Hope this helps you.

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James covers a distance of 8 meters in the first second of a 100 meter race. Then, he sprints at a speed of 9 meters per second.
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