Question

polynomial functions degree ad type please help help help on this problem

f(x)=x^1.5 - 7

Answer 1

it looks like this\[f(x)=x^{1.5}-7\]

Answer 2

This link defines a polynomial
http://www.purplemath.com/modules/polydefs.htm

Here is a key part:
Polynomial terms have variables which are raised to whole-number exponents (or else the terms are just plain numbers); there are no square roots of variables, **no fractional powers**, and no variables in the denominator of any fractions.

your function has a fractional power 1.5 (or \(\frac{3}{2}\) )
so it is not a polynomial