Right answer number 3, think this gonna help u
Answer:
f(x)=
+3, -
+3
Step-by-step explanation:
You would put -21 on bottom right on the x axis and -x on the top left on the y axis
Answer:
2.5
Step-by-step explanation:
given that y is proportional to x then the equation relating them is
y = kx ← k is the constant of proportionality
y = 2.5x is in this form with k = 2.5
30 millimeters is the difference between the two heights