Answer:
f(-2) = 3
Step-by-step explanation:
Given that,
f(x) = x + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2) + (-2) + 7
= -2-2+7
= -4+7
= 3
Hence, the value of f(-2) is equal to 3.
Answer:
A
Step-by-step explanation:
because I remember this question in the quiz I had a while ago
Answer: 10
Step-by-step explanation:
Simple...
you have:

(Using the box method)
-->>>
What multiplies to -18 but adds to -7?
-9*2=-18
-9+2=-7
Leaving you with...
(y-9)(y+2)
As we can see the grouped factoring is not all negative...
Thus, your answer.
Answer:
After 25 minutes
Step-by-step explanation:
The answer is C