Is The Function a Polynomial function??

In the given function all exponents are non-negative
The denominator doesn't contain a variable
The coefficients can be rational numbers or radicals, so do not let that confuse you.
We can rewrite as
[tex]f(x)=-3x^4 +5x^2 +\frac{3}{4}x-7[/tex]
The function is a polynomial the leading coefficient is -3 and the degree is 4..
The degree of the polynomial is the highest degree.
The correct answer is C.
we are given
[tex]f(x)=5x^2-3x^4+\frac{3}{4} x-7[/tex]
Degree:
It is the highest exponent of polynomial
we can see that highest exponent is 4
so, degree=4
Leading coefficient:
It is the constant term multiplied to highest degree term
Here, we have
-3x^4
-3 is multiplied
so, leading coefficient is -3
so, option-C...........Answer