Answer:

Step-by-step explanation:
According to intermediate value theorem, if a function is continuous on an interval
, and if
is any number between
and
, then there exists a value,
, where
, such that 
In the given question,
Intermediate Value Theorem is used to show that there is a root of the given equation in the specified interval.
Here,

Put 

Put 

1/2 ; you must look at rise over run. It goes up by one, runs over 2. 1/2 is a half
Answer:
70
Step-by-step explanation: