Problema Solution

Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work.

f(x)=-2x^4-8x^2-2x+15;[1.1, 1.2]

Answer provided by our tutors

f(x)=-2x^4-8x^2-2x+15

f(1.1)=0.1918

f(1.2)=-3.0672

we have f(1.1)*f(1.2)<0=> f(x) has a zero in the given interval