we know that f(1)=2 so f^-1(2)=1
so B is correct!
Answer:
x = 77, x = -77
Step-by-step explanation:
|x| – 17 = 60
Add 17 to each side
|x| – 17+17 = 60+17
|x| = 77
The absolute value equation has two solutions, one positive and one negative
x = 77, x = -77
9 chairs because 2 to 4 is equal to 1/2 and half of 18 chairs is 9
