mooncake9090

19.03.2021 • 

Mathematics

A telephone company offers two different types of billing. The first choice is to pay 10.00 per month plus $0.09 per MB of data. The second choice is to pay 16.00 per month plus $0.07 per MB of data. Part A: Write a system of equations to model the situation the total cost for one month with each company

Part B: How many MB of data would you have to use in one month in order for both plans to cost the same amount? Explain your determined answer.

Ответ:

bryantfoster

07.01.2022

Mathematics

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There are no real zero

Step-by-step explanation:

this is quadraic equantion,

0 = x4 + 34x2+ 255 ( regrouping)

x2 + 25=0

x2=-25

x= ⊥5i

than

x= ⊥3i

so, the product of linaer is  f(x)= x3-7x2+11x+10

thare are no real zero also no x-intercepts

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