Answer:
y is 1/4 when x is -1 if I did interpret your equation right. Please see that I did.
I believe the equation to be
. If you meant
, please let me know.
Thanks kindly.
Step-by-step explanation:
If (-1,y) lies on the graph of
, then by substitution we have:
.
We just need to simplify to determine y:
Multiply the 2 and -1:

Use reciprocal rule for exponents to get rid of the negative:

just means
:

.
Pi aka 3.14 is a very commonly know irrational number
Answer:
-16
Step-by-step explanation:
The sequence pattern is ×2
-4 × 2 is -8
-8 × 2 is -16
-16 × 2 is -32