Answer:
120 > x
Step-by-step explanation:
multiply -4 on both sides, -30 * -4 = 120
since you multiplied by a negative you change the sign
<3
X<120
let f(x)=y
y=7x-13
y+13=7x
y+13/7=x
f-1(x)=x+13/7
trueeeeeeeeeeeeeeeee
