Name: SAT Math Help & School Math Mastery
Availability: InStock

Loading...

#37840

exponential

functions

hard

90 sec

The graph of an exponential function of the form $y = a (b^{x})$ passes through the point $(0, 12)$ . If the value of y triples for every unit increase in x, which of the following equations represents this function?

A.

$y = 12 (3^{x})$

B.

$y = 3 (1 2^{x})$

C.

$y = 12 (2^{x})$

D.

$y = 4 (3^{x})$