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3 years ago

14

Pls help! I have no idea what to do can someone please help me!

1 answer:

Andreyy893 years ago

4 0

3x3x3x3x3x3 which will give you your answer of 279

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The average high temperature each month in a calendar year for a city in South Carolina is represented by the function: f(x)=−x2

LuckyWell [14K]

Answer:

$Average\hspace{3}rate\hspace{3}of\hspace{3}change=-7.7$

Step-by-step explanation:

The average rate of change measures the average rate at which a function changes per unit time in a given interval. In another words, the average rate of change is the relationship between vertical and horizontal changes between two points of the function. So, basically if you are trying to find the average rate of change, you are trying to find the slope.

$Average\hspace{3}rate\hspace{3}of\hspace{3}change=Slope=m=\frac{\Delta y}{\Delta x} =\frac{f(x_2)-f(x_1)}{x_2-x_1}$

If $x$ represents the months, then:

Let:

$September=x_1=9\\December=x_2=12$

So:

For:

$f(x)=-x^2+13.3x+42$

$f(x_1)=f(9)=-(9)^2+13.3(9)+42=80.7\\\\f(x_2)=f(12)=-(12)^2+13.3(12)+42=57.6$

Therefore:

$Average\hspace{3}rate\hspace{3}of\hspace{3}change=\frac{57.6-80.7}{12-9} =\frac{-23.1}{3} =-7.7$

4 0

4 years ago

A store has apples on sale for $28.00 for 8 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $112.

lys-0071 [83]

Answer

101 apples

Step-by-step explanation:

8 lbs x 16 oz = 128 oz

$28 / 128 oz = 22¢ per oz

$112 / 0.22¢ = 509 oz

509 oz / 5 oz = 101.8 apples

8 0

2 years ago

PLZZZ HELP I'LL GIVR U A MEDAL N FAN U

disa [49]

The first option is correct I did this before hope this helps

6 0

4 years ago

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If f(x)=2x+5 and g(x)=x²+5, evaluate the functions:

Ostrovityanka [42]

Answer:

f(-3) = -1

g(-3) = 14

Step-by-step explanation:

plug -3 for x to get the answer

3 0

3 years ago

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Write the first five terms of the sequence defined by the explicit formula an=21-2n^2

Rus_ich [418]

The answer to the squence is either d or a i believe

8 0

4 years ago

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