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3 years ago

15

The graph shows the function f(x)=3^x

1 answer:

tangare [24]3 years ago

8 0

The answer is D.
You have to make the whole numbers equal to then solve for the exponents:
F(x) means y, therefore, y is 9.
9 = 3^x.
3^2 is the same as 9.
Then, 3^2 = 3^x.
Then solve for the exponents,
2 = x
Therefore your answer is 2.

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Step-by-step explanation:

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$v^{2} = v_{o}^{2}+2\cdot a \cdot \Delta s$ (Eq. 1)

Where:

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$v$ - Final speed, measured in meters per second.

$a$ - Acceleration, measured in meters per square second.

Now travelled distance is cleared within the formula:

$\Delta s = \frac{v^{2}-v_{o}^{2}}{2\cdot a}$

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$\Delta s = \frac{\left(0\,\frac{m}{s} \right)^{2}-\left(22.222\,\frac{m}{s} \right)^{2}}{2\cdot \left(-0.5\,\frac{m}{s^{2}}\right) }$

$\Delta s = 493.817\,m$

The train will travel 493.817 meters until it stops completely.

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