Answer:
34
Step-by-step explanation:
plug 7 into 4x
plug 2 into 3z
do the math so...
4 X 7 =28
2 X 3 = 6
add 28 + 6 = 34
Answer:108.54
0.872665
37
add all of them together then divide it by two
30
f(3) = 23