There are 10 total digits ( 0, 1 , 2, 3, 4, 5, 6, 7,8 ,9)
1st digit can be 1 of 10
2nd digit can be 1 of 9 ( 10-1 because a number cannot repeat)
3rd digit can be 1 of 8 ( 9-1 because no number can repeat)
total combinations = 10 * 9 * 8 = 720
Answer:
-10/ (-2/5)
Step-by-step explanation:
Answer:
ofn
Step-by-step explanation:
Answer:
f^-1 (x)=1/7x
Step-by-step explanation:
f(x) = 7x
y=7x x=7y
y=x/7
y=1/7x
f^-1 (x)=1/7x