Answer:
13
Step-by-step explanation:
f(-3)=2(-3)-5(-3)+4. = -6+15+4= 13. f(a)=13
Answer: 45 mph
Step-by-step explanation:
We know that Rob was driving 63 mph which is 18 miles faster than pigeons, therefore you subtract to get the answer.
63-18=45
1. -21
2. −39
3.−42
4. -5
5. −3
for the other question u can use calculator :)
Remember the exponential law that says

therefor

the answer is C