Answer:
6
Step-by-step explanation:
siri=6x-10
alexa= 50-4x
im making a table which is an easy way to tell or you can guess and check
X S A
--------------------
2 | 2 |42
3 | 8 |38
4 | 14 |34
5 | 20 |30
6 | 26 |26
x²+11x+28
(f - g) (x) = f(x) - g(x)
x² + 12x + 32 - (x + 4) = x² + 11x + 28
3
20*.15=3
um