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3 years ago

Help me pretty pls i really need help

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

7 0

Answer:

740 or 990

Step-by-step explanation:

It just depends on the height. I don't know if it is 10 or 15. If the height is 15 then 990. If the height is 10 then 740. :)

iris [78.8K]3 years ago

7 0

Wait you had to multiply?

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melamori03 [73]

Answer: First Option

$f (x) = (x-1) ^ 2 + 3$

Step-by-step explanation:

Quadratic quadratic functions have the following form:

$f (x) = (x-h) ^ 2 + k$

Where the point (h, k) is the vertex of the function.

For a quadratic function of the form $f (x) = ax ^ 2 + bx + c$ the vertex of the function is at the point $(-\frac{b}{2a}, f(\frac{-b}{2a}))$

In this case the function is: $f(x) = 4 + x^2 - 2x\\\\f(x)=x^2 -2x +4$

Then:

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The vertex is:

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$(1, f(1))$

Note that

$f(1) = (1)^2 -2(1) +4\\\\f(1)=1-2+4=3$

Therefore the vertex is the point $(1, 3)$

Finally we have that $h=1,\ k=3$

The function in vertex form is :

$f (x) = (x-1) ^ 2 + 3$

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