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Tasya [4]
3 years ago
6

Find (f*f)(x) for the function f(x)=8x+9 and simplify

Mathematics
2 answers:
irakobra [83]3 years ago
8 0

Answer:

I think its f(fx) = 64x + 81

Alexus [3.1K]3 years ago
5 0

Answer:

f(fx) = 64x + 81

Step-by-step explanation:

f(x) = 8x + 9

f(fx) = 8(8x+9) + 9

= 64x + 72 + 9

= 64x + 81

(Correct me if i am wrong)

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Andrews [41]

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3 years ago
Write the function for the graph
Kruka [31]

Answer:

Option A is correct.

The function for the given graph is;

f(x)=2\cdot 4^x

Step-by-step explanation:

An exponential function is in the form of y =ab^x ......[1] where a is the initial value and b≠ 0 , b >1 .

Given two points as shown in figure i.e,

let A = (0, 2) and B = (1,8)

Substitute these points in equation [1] we have;

For A = (0,2)

2 = ab^0 = a

⇒ a = 2

and

for B = (1, 8)

8 = ab^1

or

ab = 8

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2b = 8

divide both sides by 2 we get;

b = 4

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3 0
2 years ago
Read 2 more answers
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2 years ago
The lengths, in minutes, of the movies currently showing at a movie theater are shown in the data set. ​ ​ ​ ​Create a histogram
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Answer:

See Explanation

Step-by-step explanation:

The question is incomplete, as the required lengths are not given.

I will use the following data set to answer the question.

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First, is to determine the range of the dataset

Range = Highest - Least

Range = 68 - 32

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Next, we will make use of 4 classes. So, we divide range by 10 to get the number of class. 10 represents the interval

Class= Range/10

Class = 36/10

Class = 3.6

Class \approx 4

<em>So, we use 4 classes</em>

Plot the frequency distribution table as follows:

\begin{array}{ccc}{Intervals} & {Observations} & {Frequency} & {31-40} & {32,35,39} & {3} & {41-50} & {42} & {1} & {51-60} & {51,59} & {2} & {61-70} & {62,68} & {2}\ \end{array}

<em>See attachment for histogram</em>

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2 years ago
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