Answer:
I THINK IT IS 15.24 SORRY IF ITS WRONG I TRYED TO WORK IT OUT
Step-by-step explanation:
Remember, to be a function, all elements in the domain should correspond to one element in the range.
The domain is the x coordinate, range is the y coordinate.
The domain we can solve for as the set {4.2, 5, 7}. The range is the set {0, 1.5, 2.2, 4.8}.
But we see that an element in the domain corresponds to more than one element in the range, thus making it not a function.
My favorite desert Is a cupcake
Answer:

Step-by-step explanation:
Evaluate g(- 4) and f(- 4) by substituting x = - 4 into g(x) and f(x), that is
f(- 4) = - 10(- 4) + 9 = 40 + 9 = 49
g(- 4) = (- 4)² + 12 = 16 + 12 = 28
Then
=
= 
Answer:
Drews answer was correct
Step-by-step explanation:
try using desmos graphing calculator it helps