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V125BC [204]
3 years ago
10

What is the value of a?

Mathematics
1 answer:
Lelu [443]3 years ago
3 0
It is the value of One
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The graph below shows the value of Edna's profits f(t), in dollars, after t months:
umka21 [38]
Since we know that the graph of our quadratic function has x-intercepts at (6,0) and (18,0), x=6 and x=18 are the zeroes of our quadratic. To find our quadratic we are going to factor each zero backwards and multiply them:
x=6
x-6=0
x=18
x-18=0

(x-6)(x-18)=x^{2}-6x-18x+108
=x^{2}-24x+108

Now that we have our quadratic function, we are going to use the average formula: m= \frac{f(9)-f(3)}{9-3}
where
f(9) is the function evaluated at  the <span>9th month
</span>f(3) is the function evaluated at the 3rd month 

m= \frac{f(9)-f(3)}{9-3}
m= \frac{[9^{2}-24(9)+108]-[3^{2}-24(3)+108]}{9-3}
m= \frac{-27-45}{6}
m= \frac{-72}{6}
m=-12

We can conclude that the closest approximate average rate of change for Edna's profits from the 3rd month to the 9th month is: <span>B. −11.63 dollars per month.</span>

6 0
3 years ago
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Evaluate the function.<br> Given f(x) = x2 - 4x2 - 3x - 5, find f(5).
Simora [160]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
What is √75 in simplified form? A 5√3 B 25√3 C √5 D 3√25 Answer Fast For 30 Points!
Kaylis [27]

The answer is A. 5√3

6 0
2 years ago
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Given the piecewise function shown, find the value of h(–6). A) 1 B) 26 C) -23 D) -6
kirza4 [7]

Answer:

-22

Step-by-step explanation:

Which part of the function is valid when x = -6

The first part

h(-6) = 4x+2 and let x = -6

        =4(-6) +2

        = -24 +2

         =-22

5 0
3 years ago
Mr. Nicholson accepts a job that pays an annual salary of $60,000. In his employment contract, he is given the option of choosin
kodGreya [7K]

Answer:

B

Step-by-step explanation:

Just read and you will see why i say that

3 0
1 year ago
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