The y-intercept is 4.
A linear equation is defined as an equation in which the highest power of the variable is always one.
GIven equation,
y = 7x+4
Comparing to the equation of Line y=mx+b,
Whereas the y-intercept is the b.
So, 7 is the slope and 4 is the y-intercept
Hence the y-intercept is 4.
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