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Logarithms and Exponential Functions

Logarithms and Exponential Functions

Logarithms and Exponential Functions: I See You, Expo! True or False

1. Which function does not have an inverse?->y = x3
2. Which function is an exponential function?->y = 82x
3. Why can’t y = x30 have an inverse?->Because it isn’t an even function.
4. What is the inverse function of y = 50x3->y = 3x50
5. What is the inverse function of y = 4ex + 7?->
6. Which set of numbers represents an inverse function of y = 2x + 2?->{8,1; 19, 2}
7. If the population of a city grows at the same rate every year, what kind of function would best model its growth?->Radical function
8. If a plane climbs quickly at first and then slows its ascent over time, what kind of function would best model its growth?->Quadratic function
9. Can a linear function ever be greater than an exponential function?->Sometimes, depending on the base, coefficients, and other terms of each equation.
10. Which function is a logarithmic function?->y = 37x

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