Answer:
4 hours
Step-by-step explanation:
3 x 12 = 36
36/9 = 4
Answer: PAY ATTENTION IN CLASS AND STOP TALKING TO YOUR FRIENDS
Step-by-step explanation:
What do you need what are choice do you need this in a paragraph
f-¹(x)=
Answer:
Solution given:
f(x)=
Let f(x)=y
y=
Interchanging role of x and y
x=
doing crisscrossed multiplication
x(y+7)=-2y+2
now solve it:
xy+7x=-2y+2
keep like terms in one side
xy+2y=2-7x
take common
y(x+2)=2-7x
make a value of y
y=
So,
f-¹(x)=