# Pre-Cal

posted by
**Lauren**
.

Find the greatest integral upper bound of the zeros for the following function.

f(x) = 4x^3 - 2x^2 - 12x + 1

Find the real zero(s) to the nearest tenth.

f(x) = 2x^3 + x^2 - 1

[I believe the numbers should be around -1 and 0 and 0 and 1.]