Answer:
B.
Step-by-step explanation:
if x is 3 then you just substitue every instance of x as 3. 2(x-4) + 3x - x^2 =
2(3 - 4) + 3(3) - 3^2 =
6-8 + 9 - 9 =
-2
Answer: the answer is a
Step-by-step explanation: i did all the work that i could do on my paper
Answer:
1 1/5
Step-by-step explanation:
12/10=1.2 or 1 1/5
= -2
y= 2x+6. y= -2x-2
2x+6= -2x-2
+2x. +2x
____________
4x+6= -2
4x= -8
x=-2
Answer:
Given f(-2)
= -5 -7(-2)
= -5+14
= 9
Thus f(-2) of f(x)= 5-7x is 9
