Precalculus

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Given the function f (x)= 3 |x+2 |-4 (that is, 3(absolute value x+2)-4) a). algebraically find the coordinates of the vertical intercept b). algebraically find the coordinates of the horizontal intercept(s) c). when will this function be greater than 0? Please show work and help me understand why the function will be greater then 0! Thanks for the help! Answers