X +15 = 4x
15 = 3x
x=5
Your present age is 5
Answer:
1/40
Step-by-step explanation:
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Answer:
A:
The decreasing value of car 1 can be represented by an exponential function and car 2 by a linear function
B:
Car 1: f(x) = 
Car 2: f(x) = 18500 - 1000x
C:
Car 1 would be $10600.40 after 9 years
Car 2 would be $9500.00 after 9 years
There is a significant difference of $1100.40 in value.
Step-by-step explanation:

Answer:
Step-by-step explanation:
Answer:
the first hike is going down negative(low) second hike is going up so positive (high)
Step-by-step explanation: