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mindofnyny
03.04.2020 •
Mathematics
Which statement is true about the polynomial
582 + 6stº - 856 - 67 after it has been fully simplified?
It has 3 terms and a degree of 9.
It has 3 terms and a degree of 10
It has 4 terms and a degree of 9
It has 4 terms and a degree of 10.
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Ответ:
f(n) = -11 + 22(n - 1)
f(1) is your initial value.
f(1) = -11 + 22(1 - 1)
f(1) = -11
f(2) = -11 + 22(2 - 1) = 11
f(3) = -11 + 22(3 - 1) = 33
f(4) = -11 + 22(4 - 1) = 55
f(n - 1) is just a notation for the previous term
Using the equation f(n) = f(n - 1) + :
f(2) = f(1) + ??? = 11
f(3) = f(2) + ??? = 33
f(4) = f(3) + ??? = 55
f(2) = -11 + ??? = 11
f(3) = 11 + ??? = 33
f(4) = 33 + ??? = 55
f(2) = -11 + 22 = 11
f(3) = 11 + 22 = 33
f(4) = 33 + 22 = 55
∴ f(n) = f(n - 1) + 22
.