college algebra, Please help!!
posted by ladybug on .
use the intermediate value theorem to show that the polynomial function has a zero in the given interval.
f(x)=4x^3+3x^28x+7;[5,2]
please show all work

f(5) < 0
f(2) > 0
somewhere in there f(c) = 0 since f(x) is continuous.