it is at least 180 degrees
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➷ The formula you need for this is:
Final value = original value x multiplier^n
[n is the number of years]
First, we must calculate the multiplier
1 + (4/100) = 1.04
Substitute this into the equation:
Final = 240000 x 1.04^12
Solve:
Final = 384247.7325
Thus, your answer is option D.
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When the exponent is a negative value, you would move the decimal point that many places to the left.
9 x 10^-4 = 0.0009
1. The data is not linear. There's not a constant difference between the f(x) values. (AKA there's not a fixed slope between the data points)
2. The data is exponential, because there's a consistent ratio in the f(x) values:
189/567 = 1/3
63/189 = 1/3
21/63 = 1/3
7/21 = 1/3
Each new y-value (aka f(x)-value) is 1/3 the previous value.
Also, f(0)=567.
If we put that together, we have f(x) = 567 (1/3)^x.
The answer is D. A straight line equals 180°, so when you subtract 180°( your straight line) and the angle it gives you (52°) you get 128°. 180°-52° = 128°