Question 1188733
``Locate the zeroes of each polynomial function.
A. (x)= x³-7x²+5x+1
It's {{{f(x) = x^3 - 7x^2 + 5x + 1}}} not (x) =
By inspection, f(1) = 0
Divide the cubic by (x-1) ---> leaves a quadratic to solve.
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B. f(x)= x⁴-8x³+54x+105
Use a graphing calculator or a solver online.
Quartics are tough.