Answer:
B i would say
Step-by-step explanation:
3x+8
linear function formula ax+b
when x=3 3a+b=17 and when x=6 6a+b=26
3a=9 a=3,
when x=3 3.3+b=17 9+b=17 b=8
Answer: 3
3,000,000,000
Billions have 9 zeros