Question 1046337
.
Use the intermediate value theorem to determine whether the polynomial function has a zero in the interval.  

f(x)=-2x^4+2x^2+4; [-2,-1]               

A. f(-2)=20 and f(-1)=5; no. 
B. f(-2)=-20 and f(-1)=4; yes  
C. f(-2)=20 and f(-1)=-4; yes 
D. f(-2)=-20 and f(-1)=-4; no
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Do you understand what is written in your post?


Do you understand it well?


Do you read your post before submitting it?


Or it doesn't matter to you?