we know that f(1)=2 so f^-1(2)=1
so B is correct!
Answer:
Geometric and a common ratio of 7
Step-by-step explanation:
I found this out by dividing all the number and for each time I divided. I always got 7
Ex. 21÷3, 3÷3/7, 3/7÷3/49
Hope this helped
4(x+2) , 2(2x+4) , 8+4x , 1/2(8x+16) are all the same as 4x+ 8.
Answer:
A) $15
Step-by-step explanation:
let x represent the regular price of the mirror
so, 20% of x = 3
20/100 * x = 3
20x = 300
x = 300/20
x = 15
Hence, the regular price of the mirror is $15
