zaratayyibah
16.05.2021 •
Mathematics
What is true about the graph of f(x) =(x-3)^2-1
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Ответ:
f(x) = x² - 12x + 20
Step-by-step explanation:
Given the zeros of a polynomial f(x), say x = a, x = b
Then the factors are (x - a) and (x - b)
The function is then the product of the factors, that is
f(x) = (x - a)(x - b)
Here the zeros are x = 10 and x = 2, thus
The factors are (x - 10) and (x - 2) , and the function is
f(x) = (x - 10)(x - 2) ← expand factors using FOIL
= x² - 2x - 10x + 20
= x² - 12x + 20