Answer:21-3+8=26
-14+31-6=11
Step-by-step explanation:
Answer:
The y-intercept is (0, 3)
<em>they typed the equation wrong so that's why it's (0, 3)</em>
Answer:
In year 1986 the average cost of car is $12,000
Step-by-step explanation:
Cost function:
C = 30.5t² + 4192
Cost = $12,000
Find:
Year
Computation:
C = 30.5t² + 4192
12,000 = 30.5t² + 4192
t = 16 year
So,
Year 1970 + 16 year
1986
So, In year 1986 the average cost of car is $12,000
