Express 55 miles per hour in kilometers per hour?
2 answers:
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Given
To determine whether the function represents exponential growth or exponential decay, and the y-intercept.
now,
It is given that,
The exponential functions are of the form,
If a is positive and b is greater than 1, then it represents exponential growth.
And, if a is positive and b is greater than 0 and less than 1, then it represents exponential decay.
Since b=1/3<1.
Then, the given function represents exponential decay.
The y- intercept of the function is,
Hence, the y-intercept is 0.99.