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denpristay [2]
2 years ago
8

Write a rule for each graph below.

Mathematics
1 answer:
Mariulka [41]2 years ago
7 0

Answer:

a. y = x - 2

Step-by-step explanation:

y = a.x + b

from the graph: x = 0, y = -2 --> b = -2

                          x = 2, y = 0  --> 0 = a.2 -2 --> a = 1

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Dima020 [189]

Split C into two component segments, C_1 and C_2, parameterized by

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respectively, with 0\le t\le1, where \mathbf r_i(t)=(x(t),y(t)).

We have

\mathrm d\mathbf r_1=(6,1)\,\mathrm dt

\mathrm d\mathbf r_2=(1,-1)\,\mathrm dt

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=\displaystyle\int_0^1(35t^2+55t-24)\,\mathrm dt=\frac{91}6

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