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goldenfox [79]
3 years ago
11

WILL GIVE BRAINEST

Mathematics
2 answers:
zubka84 [21]3 years ago
3 0
I think the answer is b bcause is square two
kakasveta [241]3 years ago
3 0

Answer:

The correct option is B.

Step-by-step explanation:

In table A, the function has constant rate of change. For each value of x, the value of y increased by 8.

Since the rate of change of a linear function is constant, therefore table A represents a linear function.

In table B, for each value of x, the value of y is twice of its previous value. In other words we can say that the value of y increases in the same proportion.

\frac{y_2}{y_1}=\frac{8}{2}=2

\frac{y_3}{y_2}=\frac{16}{8}=2

\frac{y_4}{y_3}=\frac{32}{16}=2

\frac{y_5}{y_4}=\frac{64}{32}=2

Therefore it is an exponential function with growth factor 2.

f(x)=a(2)^x

The function passing through the point (1,4).

4=a(2)^1

2=a

The exponential function is

f(x)=2(2)^x

Thus, option B is correct.

In table C, the function has constant rate of change. For each value of x, the value of y increased by 5.

Since the rate of change of a linear function is constant, therefore table C represents a linear function.

In table D, the function has constant rate of change. For each value of x, the value of y increased by 1.

Since the rate of change of a linear function is constant, therefore table D represents a linear function.

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By quantifying the difference between two numbers and expressing it as an increase or decrease, the Percentage Change Calculator (percent change calculator) may determine the percentage change.

The initial price V_{1} (100%) was decreased by 10%., then this reduced price is reduced more by 20% that becomes the final price V_{2} which is 72.

Calculate percentage change from $V_{1}=100$ to $V_{2}=72$.

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