3 years ago

Identify the vertex of the function, f(x) = 3(x - 1)2 + 5.

Mathematics

2 answers:

attashe74 [19]3 years ago

6 0

The answer is f(x)=3x-10

ozzi3 years ago

3 0

F(x)=3*-10

hoped this helped

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3 years ago

Can someone help me with this?

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Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms

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Now,

$Sum = \frac{a( {r}^{n} - 1) }{(r - 1)} \\$

So,

$\frac{a( {r}^{n} - 1)}{(r - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{(3 - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{2} = 728 \\ {3}^{n} - 1 = 728 \\ {3}^{n}=728+1\\ {3}^{n} = 729 \\ {3}^{n} = {3}^{6} \\ \boxed{ n = 6}$

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2 years ago