Practice problem
Which of the following statements about exponential functions are true?
All exponential functions are strictly increasing.
The function f(x)=x⋅exf(x) = x \cdot e^xf(x)=x⋅ex is an exponential function.
If f(x)=bxf(x) = b^xf(x)=bx for b>0b > 0b>0, then f(0)=1f(0) = 1f(0)=1.
An exponential function is strictly increasing if and only if the base is greater than 1.
The function f(x)=e2xf(x) = e^{2x}f(x)=e2x is an exponential function.
Type a concept, like “slope” or “photosynthesis”.