No, Lea is incorrect.
" The composition of two functions may be different if they are taken in different orders "
For example:
If,
and
Then,
Also,
Now, we know that (gof)(x) and (fog)(x) will not be equal for all the values of x.
They will be equal only for x= -1/2
( Since,
A.2x2x5x7
B.4x5x7
C.2x3x5x7
D.5x5x7
Answer:
A
Step-by-step explanation:
This one is best done by doing a pre factor.
140 = 14 * 10 Now all you need do is factor those two numbers.
140 = 7*2 * 5 * 2
Rearranging this you get 2 * 2 * 5 *7
A