3x-6 this is the answer because it rose 3 and the Y intercept is -6
Answer:
the answers are:x1=-4 and x2=5
Answer:
138 students
Step-by-step explanation:
207/9 = 23
23*6=138
Answer:
z=12
Step-by-step explanation:
divide by 1/2 to get the variable z by itself
A function is positive if it lies above the x axis.
This function is positive before x = -4, i.e. over the interval 
It is negative elsewhere, i.e. over the interval 
So, the only correct option is the second one.