Where is the number line?
Answer:
$0.57
Step-by-step explanation:
7 pound = 4 $
1 pound =4/7 $
=0.57$
f(x)= 3x-4
f(-1)= 3*-1-4
f(-1)= 2-4
f(-1)= -2
f(3)= 3*3-4
f(3)= 9-4
f(3)=5
f(1)= 3*1-4
f(1)= 3-4
f(1)= -1
