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bogdanovich [222]
4 years ago
10

Can someone please help me solve a, b, c, and d I’m so lost

Mathematics
1 answer:
xxTIMURxx [149]4 years ago
5 0

Answer:

jjjjjjjjgy78uiogtvyigty68ig

Step-by-step explanation:

i cant see it

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Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

b = 9, f(b) = 321

Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

= \frac{288}{6}

= 44

Average rate of change = 44

3 0
3 years ago
Write a real problem you could answer by solving the equation -8x+60=28
tankabanditka [31]
Bob found out that he can dig 8 inches down every minute. If he wants to put a 5 foot stick in the hole with 28 inches showing, how long does he have to dig?

(so to solve you convert 5 feet to 60 inches then do the equation -8x+60=28 then you add 8x to both sides, subtract 28 then divide by 8 leaving you with 4 minutes)

7 0
3 years ago
Write the equation in exponential form:<br> log(2)128=7
svlad2 [7]

Answer: 2^7

Step-by-step explanation: 2 to the power of 7 would be one of the many ways to interact with this equation. This way being the exponential response. (Check your sources before this answer.)

3 0
3 years ago
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PilotLPTM [1.2K]

Answer:

x = 22.45

Step-by-step explanation:

Have a good day :)

6 0
3 years ago
The negations of each these propositions "today is monday"
Anvisha [2.4K]

Answer: Today isn't Monday.

Step-by-step explanation:

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3 years ago
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