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Serga [27]
3 years ago
6

How can you tell whether an exponential equation models growth or decay? Use the general form of an exponential expression to ex

plain your answer
Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Step-by-step explanation:

The general form of an exponential equation for growth is

y=(1+r)^x

and for decay is

y=(1-r)^x

In general, if the number inside the parenthesis (the growth or decay rate) is greater than 1, it's a growth problem.  If the number inside the parenthesis is greater than 0 but less than 1 (in other words a positive fraction), it's a decay problem.

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sergij07 [2.7K]
<span>(4d-4)(3d-2)=12d^2 + []d + 8

Using FOIL method:
4d x 3d = 12d^2
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-4 x -2 = 8

Adding common terms, we have:
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The missing coefficient is -20.</span>
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