Answer:
Equation simplifed= 8x^2-14x-15
Step-by-step explanation:
It means that value is not counted. it’s there but you don’t include it
Answer:
function a is faster
Step-by-step explanation:
Answer:
The answer in the procedure
Step-by-step explanation:
we know that
The lateral area of a cone is equal to

where
r is the radius of the base
l is the slant height
we have


assume 
substitute the values

This value is an underestimate, because the assumed pi value is less than the real value
assumed value 
real value 