lolz55678
07.10.2021 •
Mathematics
Determine the maximum number of zeros of the polynomial function
3x - x + 1
4
c. 1
b. 3
d. 2
a.
Please select the best answer from the choices provided
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Ответ:
See below.
Step-by-step explanation:
b / 7.8 = -2.15
a. Round 7.8 to 8 and -2.15 to -2, so we have:
b/8 = -2
Cross multiply
b = 8 * -2 = -16 (estimate).
b. b / 7.8 = -2.15
Cross multiply:
b = 7.8 * -2.15 = -16.77.
c. -16.77 and -16 are quite close (within 5%) so the answer is entirely reasonable.