Name: SAT Math Help & School Math Mastery
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#37480

applications

exponential

hard

90 sec

Calculator OK

A certain type of algae starts with an initial mass of $100$ grams. The mass of the algae grows by a factor of $1.5$ every $6$ months. Which equation represents the mass of the algae $A (t)$ , in grams, $t$ years after the initial measurement?

A.

$A (t) = 100 (1.5)^{\frac{t}{6}}$

B.

$A (t) = 100 (1.5)^{2 t}$

C.

$A (t) = 100 (1.5)^{0.5 t}$

D.

$A (t) = 100 (1.5)^{\frac{t}{12}}$