Answer: true
Step-by-step explanation: f(x) is a function because each x value (left oval) has one y value (right oval)!
The answer is -4, hope this helped
Answer:
tgtftgrfrfrdrxdrdrcrcrcrxrxrxrc
The amount it is increasing by, 3 is added each time.
The idea for transitions for an equation like this is

where m = slope
h = how much left or right (note the negative)
k = how much up or down
moving 13 down would mean
k = -13
so

D. would be your answer