Name: SAT Math Help & School Math Mastery
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#17215

exponential

applications

medium

90 sec

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An investment account was opened with an initial value of $$890$ . The value of the account doubled every $10$ years. Which equation represents the value of the account $M (t)$ , in dollars, $t$ years after the account was opened?

A.

$M (t) = 890 (\frac{1}{2})^{\frac{t}{10}}$

B.

$M (t) = 890 (\frac{1}{10})^{\frac{t}{2}}$

C.

$M (t) = 890 (2)^{\frac{t}{10}}$

D.

$M (t) = 890 (10)^{\frac{t}{2}}$