Ana Paula escreveu alguns números naturais em uma folha de papel, tal como indicado a seguir. Depois de escrever algumas linhas, observou que existem regularidades nessa sequência. 1 2 3 4 3 4 5 6 7 4 5 6 7 8 9 10 5 6 7 8 9 10 11 12 13 6 7 8 9 10 11 12 13 14 15 16 . . . . . . Considerando que Ana Paula manteve o padrão adotado em todas as linhas, determine: a. quantos números naturais ela escreverá na 50ª linha. b. a soma de todos os números escritos na 50ª linha.

- both graphs increase on their domain.

- the graphs of both functions have the same x-intercept.

- neither graph has a y-intercept.

step-by-step explanation:

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cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

we are given scale of 2 units.

on graph paper the space is 2.5 cm.

length of glass = 8 units.

8 units = 2 units +2 units +2 units +2 units.

each 2 unit is = 2.5cm.

therefore,

8 units = 2 units +2 units +2 units +2 units = 2.5+2.5+2.5+2.5= 10cm.