Which of the following functions is graphed below? y= {x^2 + 3, x _> 4
x + 4, x < 4}

y= {x^2 + 3, x > 4
x + 4, x _< 4}

y= {x^2 + 3, x < 4
x + 4, x _> 4}

y= {x^4 + 3, x _< 4
x + 4, x > 4}