speed in pages per minute ppm for for printers are 7.105 ppm, 7.221 ppm, 7.4 ppm, and 7.08 ppm. which shows the fastest printer

Mathematics

1 answer:

KonstantinChe [14]3 years ago

7 0

Answer:

Fastest printer=7.4 ppm

Step-by-step explanation:

The 7.4 is the fastest since it prints 7.4 pages per minute:

7.4>7.221>7.105>7.08

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Recall that the vertex form of a quadratic function (or parabolic function) is equal to

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Now, given that we have f(x) = x² + 14x + 40, to express f into its vertex form, we must first fill in the expression to form a perfect square.

One concept that we must remember when completing the square is that

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So, to complete the square for (x² + 14x + ____), we have 2ab = 14 where a = 1. Thus, b = 14/2 = 7. Hence, the last term of the perfect square must equal to 7² = 49.

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Step-by-step explanation:

here's the solution in attachment.