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maw [93]
2 years ago
14

Write an exponential function for a graph that passes through the points (2,16) and (3,32).

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
8 0

Answer:

y = 4(2^{x} )

Step-by-step explanation:

The general form for an exponential function is y = kb^{x}

When x = 2,  y = 16    So, 16 = kb^{2}    

and when x = 3,  y = 32    So, 32 = kb^{3}

Divide  \frac{32}{16} = \frac{kb^{3} }{kb^{2} }

2 = b

Now, 16 = k2^{2}

16 = 4k

k = 4

Therefore, the exponential function is y = 4(2^{x} )

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