calculus
posted by Caylan .
usethe intermediate theorem to show that the polynomial function has a zero in the given interval
f(x)=18x^48x^2+9x1;[0,3)
can you please me how you got the answer

f(0) = 1
f(3) > 0
so, to get from 1 to a positive value, it must pass through zero, because f is continuous.