The graph of y = f(x) is shown below. Determine the value of x when
f(x) = -4?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.