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Artemon [7]
3 years ago
15

What are the zeros of the function f(x) =(x^2 - 3x - 10)(x + 4) !!Please help!!!

Mathematics
1 answer:
murzikaleks [220]3 years ago
7 0
F(x) = (x² - 3x - 10)(x + 4) becomes (x - 5)(x + 2)(x + 4) when completely factored. Now set each binomial equal to zero. 

x - 5 = 0
x = 5

x + 2 = 0
x = - 2

x + 4 = 0
x = - 4

Your zeros are at x = - 4, - 2, and 5. Or at (- 4, 0), (- 2, 0), and (5, 0). 
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Knowing the amount doubles every 30 days, we'll have to find how many times it'lll double in the 210-day time frame:

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It doubles 7 times. If we were to write a rough, not worked on expresion representing that, knowing the starting population was of 20, we would write:

(((((((20 * 2) * 2) * 2) * 2) * 2) * 2) * 2) = 2560 rabbits




Hope it helped,



Happy homework/ study exam!




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