Is y = x^2 + 1 an exponential function?

Jun 7, 2015

No, this is a quadratic function. Graphically it will give you a Parabola:
graph{x^2+1 [-10, 10, -5, 5]}
To have an exponential, the variable $x$ must appear as an exponent of some number $a$: for example ${a}^{x}$.
Have a look: