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gtnhenbr [62]
3 years ago
8

Which graph shows a linear function. A) B) C) D)

Mathematics
2 answers:
BigorU [14]3 years ago
8 0

Answer:

B

Explanation:

A linear line is a line that is straight going from left to right upwards or downwards. The only one that matches this description is B.

(Linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x) = a + bx. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.)

Hope it helps!

Hitman42 [59]3 years ago
3 0
The First one (A) because it’s a straight line
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What it means is the  2 has to be minus in order that the vertex will shift 2 units in the x direction.

Step Two
Use the point to solve for a.
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3 = a(-1 - 2)^2 + 7                combine -1 with - 2
3 = a (-3)^2 + 7
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a = - 0.4444

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Note: if you have choices, list them please.

Note: The red graph is y = (x - 2)^2 + 7 ; a = 1
The blue graph is y = - 4/9(x - 2)^2 + 7 ; a = - 0.44444

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