Answer:
1/10
Step-by-step explanation:
1/2= 50%
1/5= 20%
1/7= 15%
1/10= 10%
f(-5) = 22
f(x) =-3x+7
Let x = -5
f(-5) =-3*-5+7
= 15 +7
=22
x + y = 5
y = x - 1
Hope this helped!