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Fittoniya [83]
3 years ago
14

For the polynomial below, find F(-3) F(-3)= -4x^2+3x-1

Mathematics
1 answer:
Elodia [21]3 years ago
4 0
f(-3)=-4\cdot(-3)^2+3\cdot(-3)-1=-4\cdot9-9-1=-36-10=-46
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For the graphed exponential equation, calculate the average rate of change from x = −3 to x = 0.
iragen [17]

Answer:

-\frac{7}{3}

Step-by-step explanation:

To solve this, we are using the average rate of change formula:

m=\frac{f(b)-f(a)}{b-a}

where

m is the average rate of change

a is the first point

b is the second point

f(a) is the function evaluated at the first point

f(b) is the function evaluated at the second point

We want to know the average rate of change of the function f(x)=0.5^x-6 form x = -3 to x = 0, so our first point is -3 and our second point is 0. In other words, a=-3 and b=0.

Replacing values

m=\frac{f(b)-f(a)}{b-a}

m=\frac{0.5^0-6-(0.5^{-3}-6)}{0-(-3)}

m=\frac{1-6-(8-6)}{3}

m=\frac{-5-(2)}{3}

m=\frac{-5-2}{3}

m=\frac{-7}{3}

m=-\frac{7}{3}

We can conclude that the average rate of change of the exponential equation form x = -3 to x = 0 is -\frac{7}{3}

4 0
3 years ago
What number plus 2 less than 3 times the number equals 14
Afina-wow [57]

Obviously this will be a negative number

-2 - 14 = 5x - 3x

 

-16 = 2x

x = %28-16%29%2F2

x = -8 is the number

:

:

Check solution in the original statement: x=-8

3(-8) - 2 = 5(-8) + 14

-24 - 2 = -40 + 14

-26 = -26


7 0
3 years ago
Write 3 to the 9th power as an expression
8_murik_8 [283]
The expression that best represents the statement <span>3 to the 9th power would be written as:

3^9.

The value of 9 here is the exponent in the expression and 3 is the base. </span><span>This process of using </span>exponents<span> is called "raising to a power", where the </span>exponent<span> is the "power".</span>
3 0
3 years ago
How many minutes are in the time interval from 7:09 a.m. to 10:36 a.m.
USPshnik [31]
7.09 AM - 10.36 AM

In-between these two times, there are 3 hours and 27 minutes.

This calculates to 207 minutes.
4 0
3 years ago
Aster sold 18 oranges. If these are 12% of her total oranges are not sold​
Mariulka [41]

answer is 132

because the whole amount of the oranges is 150 so the unsold 82 percent will be 132

6 0
3 years ago
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