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(Q4) Which values of a and b in the exponential function y = a (bx) would result in the following graph?

Q4 Which values of a and b in the exponential function y a bx would result in the following graph class=

Respuesta :

Answer: second option.

Step-by-step explanation:

By definition, you know that:

[tex]b^0=1[/tex]

You can see in the graph that the interception with the y-axis is at -1.

Therefore, in that point: x=0 and y=-2

Substitute into the function and solve for a:

[tex]-1=a(b)^0\\-1=a(1)\\a=-1[/tex]

Now, choose any point of the function and substitute this point and the value of a into the function and solve for b. Then you obtain:

Point (2,-4)

[tex]-4=-1(b)^2\\\frac{-4}{-1}=b^2\\b=\sqrt{4}\\b=2[/tex]

Answer:

Its B

Step-by-step explanation:

Because it is

On edge

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