We are first given f(x) = 7x. The line is then changed to f(x) = 7x + 7 by moving the graph up 7 units on the y-axis.
Direction: THE GRAPH IS MOVED UPWARD.
The graph of [tex]f(x)=7x[/tex] should be shifted in upward direction to produce graph of [tex]g(x)=7x+7[/tex]
What is direction in graph?
Direction in graph is upward, downward, right, left.
According to question, graph is shifted from [tex]f(x)=7x[/tex] to [tex]g(x)=7x+7[/tex]
At [tex]x=0,f(x)=0[/tex]
But at [tex]x=0,g(x)=7[/tex]
So, the graph has moved [tex]7[/tex] units upward in the graph.
Hence we can conclude that upward direction is correct answer.
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