Samantha buys a shirt that costs $28.50. She uses a
30% coupon. What will Samantha pay for the shirt?
ANSWER IS 8.55
Answer: (-3,7)
Step-by-step explanation:
Flip the signs
Answer:
f^-1(x) = x + 5
Step-by-step explanation:
f(x) = x-5
y = x-5
Exchange x and y
x = y-5
Solve for y
x+5 = y-5+5
x+5 =y
The inverse is x+5
6 + 4 + 8 + 2 + 5 = 25
25/5
mean = 5
I believe the answer is Associative Property of Addition, I may be wrong. If i am my apologies.
