The vertex of f
(
x
) is at x = −
8/
2
= −
4
Answer:
Twenty decreased by a number. The question says that "a number" =X.
twenty = 20
decreased = minus
by a number = X
Put this all in a line and you get...
an answer of:
20 - X.
The Answer is A. Hope I helped!
Chris walked the dog for 80 minutes or 1 hour and 20 minutes
