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soldier1979 [14.2K]
3 years ago
15

For each table of values, select whether the table represents a linear or exponential relationship. Please help 10 points for th

e answer

Mathematics
1 answer:
natali 33 [55]3 years ago
8 0

We have a Table here called Function A. So we need to know whether the table represents a linear or exponential relationship. Remember that:

A linear function has the form:

f(x)=mx+b so if x increases by a constant amount the functions value will have a common difference.

An exponential function has the form:

f(x)=ab^x so if x increases by a constant amount the functions value will have a common difference.

<h2>FUNCTION A)</h2>

EXPONENTIAL RELATIONSHIP.

Notice that in this case the function increases by a constant amount and in this case this amount is 3 because:

6-3=3 \\ \\ 9-6=3 \\ \\ 12-9=3

As you can see, it is true that x increase by a constant amount of 3. Hence, we need to analyze the function values.

First, let's see if the function values has a common difference:

9.252-6.083=3.169 \\ \\ 14.07-9.252=4.818 \\ \\ Stop \ here!

We have stopped because there is no any common difference. Let's try to see if there is common ratio:

\frac{9.252}{6.083}=1.52 \\ \\ \frac{14.07}{9.252}=1.52 \\ \\ \frac{21.4}{14.07}=1.52

As you can see these function values have a common ratio. In conclusion THIS TABLE REPRESENTS AN EXPONENTIAL RELATIONSHIP.

<h2>FUNCTION B)</h2>

LINEAR RELATIONSHIP.

From the Table, it's easy to realize that this is a linear relationship by taking a look on the function values. Notice that x increases here at a constant amount of 2 because:

6-4=2 \\ \\ 8-6=2 \\ \\ 10-8=2

So, let's see if the function values has a common difference:

14-7=7 \\ \\ 21-14=7 \\ \\ 28-21=7

As you can see these function values have a common difference. In conclusion THIS TABLE REPRESENTS A LINEAR RELATIONSHIP.

<h2>FUNCTION C)</h2>

EXPONENTIAL RELATIONSHIP.

It is likely that this is an exponential function, just take a look at the function values. Notice that x increases here at a constant amount of 2 because:

2-0=2 \\ \\ 4-2=2 \\ \\ 6-2=2

So, let's see if the function values has a common ratio:

\frac{4}{16}=0.25 \\ \\ \frac{1}{4}=0.25 \\ \\ \frac{0.25}{1}=0.25

As you can see these function values have a common ratio. In conclusion THIS TABLE REPRESENTS AN EXPONENTIAL RELATIONSHIP.

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