A) is the answer. The island in decaying by 10% each year, which means the amount will change within the period of the decay.
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It looks like selections A and C are identical. (Neither is equivalent to 9^x.)
If B is supposed to be 3^(2x), it is equivalent to F and D and to the given expression.
Of course, D evaluates to 9^x, so is equivalent.
Choice E evaluates to 3^(x+2), which is not equivalent to 3^(2x).
The applicable choices appear to be
... B. 3^(2x)
... D. (3*3)^x
... F. (3^x)*(3^x)
Isolate the variable by dividing each side by factors that don't contain the variable.
Inequality Form:
k < 4
Interval Notation:
(−∞, 4)
Answer:
Equal 2 payments of 17.50$.
