Because it gives you a number that is close to the answer and if it is close to your number like for instance, the actual answer is 10 then if you get 5 as your estimate that's close.
Are the link help us I search but they didn’t help
Step-by-step explanation:
x = how many games won last year
x - 1 = how many games won each year
Answer:
A
Step-by-step explanation:
Answer:
Function:
Not Function: and
Step-by-step explanation:
Given
Required
Determine if is a function of
Solving x+y=9
Make y the subject of formula
<em>Hence; y is a function of x</em>
Solving
Subtract x² from both sides
Square root of both sides
This implies that
or
<em>Because </em><em> can be any of those two expressions, it is not a function.</em>
Solving
Reorder
Take square roots
This implies that
or
<em>Because </em><em> can be any of those two expressions, it is not a function.</em>