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klio [65]
3 years ago
8

The functions f(x) = −(x − 1)2 + 5 and g(x) = (x + 2)2 − 3 have been rewritten using the completing-the-square method. Apply you

r knowledge of functions in vertex form to determine if the vertex for each function is a minimum or a maximum and explain your reasoning.

Mathematics
1 answer:
Pepsi [2]3 years ago
7 0

Answer:

The vertex form of a quadratic function:

(h,k) - the coordinates of the vertex

If a>0, then the parabola opens upwards, so the vertex is the minimum of the function.

If a<0, then the parabola opens downwards, so the vertex is the maximum of the function.

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Answer:

(1/2), (3/2)

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midpoint fomula

(x1+x2)/ 2,  (y1+y2)/2

(5-4)= 1    1/2 = (1/2)

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Marco can finish a jigsaw puzzle in 3 hours. Working together with Cliff, it takes them 1 hour. How
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Macro can finish the puzzle in 3 hours. We can say that her speed for working is 1/3 or 1/3 puzzle per hour.

Now if they work together, this turns into 1 puzzle per hour.

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2 years ago
if you estimated your sale to be $300 but your actual sale was $345, what was your percent of the increase?
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