CPM Homework Help : A2C Problem 3-39

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3-39.

Each table below represents an exponential function in y = ab^x form. Copy and complete each table on your paper and find a corresponding rule.

$x$
$y$
$−1$
$3$
$0$
$1$
$75$
$2$
$3$

Hint (a):

What is the multiplier?

Answer (a):

$y = 15 · 5^{x}$

$x$	$y$
$−1$	$3$
$0$	$\color{red}{15}$
$1$	$75$
$2$	$\color{red}{375}$
$3$	$\color{red}{1875}$

$x$
$y$
$0$
$1$
$2$
$96.64$
$3$
$77.312$
$4$
Partial Answer (b):
$x$
$y$
$0$
$\color{blue}{151}$
$1$
$\color{blue}{120.8}$
$2$
$96.64$
$3$
$77.312$
$4$
$\color{blue}{61.85}$

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