Question

True or False: for the polynomial
f(x)= 2x^3 - 9x^2 + 11x - 20
as
x --> -infinity, f(x) -->infinity

Answer 1

look carefully at the sign changes and try to think if f(x) will be positive of negative

Answer 2

x --> -infinity, f(x) -->-infinity

Answer 3

so its FALSE!!!!!!