Question

For the following function:
f(x)=2x^5-6x^3+5x^2-3x-1

i. Find the maximum number of real zeros, and
ii. Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.
Please show all of your work. For the following function:
f(x)=2x^5-6x^3+5x^2-3x-1

i. Find the maximum number of real zeros, and
ii. Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.
Please show all of your work. @Mathematics