Answer:
Direct variation
Step-by-step explanation:
Hi, to answer the question we haveto analyze the information given.
The expression of y =7x is a direct variation, because if the value of one variable changes, the other variable´s value changes as well.
for example:
if x = 1 , y = 7.
y= 7(1)=7
if x =2 , y= 14.
y = 7(2 ) =14
Feel free to ask for more if it´s necessary or if you did not understand something.
