Step-by-step explanation:





Answer:
Real numbers are "closed" under multiplication
Irrational numbers are "not closed" under division
Integers are "closed" under subtraction
Positive ration numbers are "closed"
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You divide each cost to the package for A. to find the better price
Answer:
= 78
Step-by-step explanation:
x² + 5x - 6
when x = 7:
7² + 5*7 - 6
= 49 + 35 - 6
= 84 - 6
= 78
The inverse of the function f(x) = 4(x-3)² + 2 is 
The given function is:
f(x) = 4(x - 3)² + 2
To find the inverse of the function:
Make x as the subject of the formula

Replace x by
and replace f(x) by x

Therefore, the inverse of the function is:

Learn more here: brainly.com/question/17285960