Answer:
-3
Step-by-step explanation:
f(x)= x²+3x-1
f(-1)= (-1)²+3(-1)-1
= 1-3-1
= -2-1
= -3
The answer is D., a dummod deleted my answer that has alot of thanks and ratings.
Answer:
81
Step-by-step explanation:
just do it step by step adding them together.
Answer:
Answer = decrease of 22 m/min