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Makovka662 [10]
3 years ago
5

B+b-1+b+b+10=___b+9 whats the blank spot??​

Mathematics
1 answer:
nirvana33 [79]3 years ago
3 0
4b+9 is the answer just add up the b’s
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Given the function f(x) = 4(2)x, Section A is from x = 1 to x = 2 and Section B is from x = 3 to x = 4.
Dmitry [639]

Answer:

Step-by-step explanation:

I'm sure you want your functions to appear as perfectly formed as possible so that others can help you.  f(x) = 4(2)x should be written with the " ^ " sign to denote exponentation:  f(x) = 4(2)^x

                                                                                      f(b) - f(a)

The formula for "average rate of change" is a.r.c. = --------------

                                                                                           b - a

                                    change in function value

This is equivalent to  ---------------------------------------

                                            change in x value

For Section A:  x changes from 1 to 2 and the function changes from 4(2)^1 to  4(2)^2:  8 to 16.  Thus, "change in function value" is 8 for a 1-unit change in x from 1 to 2.  Thus, in this Section, the a.r.c. is:

                 8

               ------ = 8 units    (Section A)

                  1

Section B:  x changes from 3 to 4, a net change of 1 unit:  f(x) changes from

4(2)^3 to 4(2)^4, or 32 to 256, a net change of 224 units.  Thus, the a.r.c. is

        224 units

      ----------------- = 224 units (Section B)

            1 unit

The a.r.c for Section B is 28 times greater than the a.r.c. for Section A.

This change in outcome is so great because the function f(x) is an exponential function; as x increases in unit steps, the function increases much faster (we say "exponentially").

7 0
3 years ago
What is the solution of the equation?
pantera1 [17]
<span>4.7x + 3.8 = 13.2
</span><span>4.7x + 3.8 - 3.8= 13.2 - 3.8 
4.7x = 9.4
x = 2

answer is D. 2</span>
7 0
3 years ago
Read 2 more answers
I will mark the brainliest <br> Please answer thank youu!!!
antiseptic1488 [7]

Answer: its option "b"

Pentagon;not regular

Step-by-step explanation:

The polygon has 5 sides but all the sides are not equal

hence, it is an irregular pentagon

Hope this helped you!!

Please Mark as Brainliest!! : )

7 0
3 years ago
Find the missing angles with reasons. plz quick it is due today
likoan [24]

Answer:

d = 64, e = 64, g = 55, f = 55

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the length, in feet, of the hypotenuse of a right triangle with legs that are 3 feet long and 4 feet long? Question 10 o
wel
A^2+b^2=c^2 so 4(4) +3(3) is 16+9= 25 and the square root of that is 5.
7 0
3 years ago
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