Answer:
D is correct option.
Step-by-step explanation:
We are given a function 
We need to find new function reflection of f(x) across the y-axis.
When function reflection across y-axis 

Therefore, 
New function, 

Thus, D is correct option.
Answer:
-86x^2 -2x - 8
Step-by-step explanation:
No i cannot help you with matrix
Answer:
$22.78
Step-by-step explanation:
Cost Price: 20.98
Tax is 8.6% of this: 20.98 x 0.086 = 1.80
Total price = Cost Price + Tax:
Total = 20.98 + 1.80 = $22.78
Brainliest would be nice :)
Answer:
7 Chairs in each row
Step-by-step explanation: