Answer:
Step-by-step explanation:
kinda just need points soooooooooo sorry hope you get it <3
Answer:22 is the answer
Step-by-step explanation: 12+8+2=22 HOPE IT HELP! if it wrong tell me
I got -2(2x-3) but it should be C.-4x-2
Answer:
-21
Step-by-step explanation:
f(-3) = -4(-3)² + 15 = -4(9) + 15 = -36 + 15 = -21
Answer: Choice B

======================================================
Explanation:
The two rules we use are


When applying the first rule to the expression your teacher gave you, we can say that:

Then applying the second rule lets us say

Therefore,

-------------
In short, we just multiplied each exponent inside by the outer exponent 1/2.
So that explains why the exponents go from {1/4,16} to {1/8,8} for x and y in that exact order.