Find the value of angle "a" and angle "b"

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle