Which is the correct answer? Note: ( if you give me a silly or absurd answer I will report you)

Step-by-step explanation:

y = x² - 16

x² = y + 16

x = sqrt(y + 16) because x is non-negative.

Hence the inverse function is f^(-1)(x) = sqrt(x + 16). (A)

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)