Answer:
D) (-1, -2)
Step-by-step explanation:
The local minimum is the bottom point on the left-side curve. Its coordinates are (-1, -2), matching choice D.
C
You split inequality into
2x-2>8 and 2x—2<-8
X>5. X<-3
Answer:
2) The domain would only include positive integers
Step-by-step explanation:
y cost for x person
x can't be negative or fraction.
Answer:
(-4,169)
Step-by-step explanation:
11 (-4)^2 - 5(-4)+13
11(16)- 20 +13
176 -20+13
169
Let:
x = Chemistry textbooks sold
y = Physics textbooks sold
The textbook store sold a combined total of 260, so:

The number of chemistry books sold was three times the number of physics textbooks sold, so:

Let:

Replace (2) into (1):

Replace the value of y into (2):