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prohojiy [21]
2 years ago
8

Which relation represents a proportional function?

Mathematics
1 answer:
Advocard [28]2 years ago
4 0
The answer is A, this is because as the amount of toppings increases so does the price increase proportionally.
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Let f(x) = xe^-x+ ce^-x, where c is a positive constant. For what positive value of c does f have an absolute
Illusion [34]

Answer:

c=6

Step-by-step explanation:

The absolute maximum of a continuous function f(x) is where f'(x)=0. Therefore, we must differentiate the function and then set x=-5 and f'(x)=0 to determine the value of c:

f(x)=xe^{-x}+ce^{-x}

f'(x)=-xe^{-x}+e^{-x}-ce^{-x}

0=-(-5)e^{-(-5)}+e^{-(-5)}-ce^{-(-5)}

0=5e^{5}+e^{5}-ce^{5}

0=e^5(5+1-c)

0=6-c

c=6

Therefore, when c=6, the absolute maximum of the function is x=-5.

I've attached a graph to help you visually see this.

7 0
2 years ago
I NEED HELP !Will mark BRAINLIEST! AND 100 points
AlekseyPX
1/4 and you choose three different toppings for a sundae
5 0
3 years ago
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if the focus of an ellipse are (-4,4) and (6,4), then the coordinates of the enter of the ellipsis are
STALIN [3.7K]
I’m sorry but I literally dunno
6 0
3 years ago
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I need the answer and explanation to how you get the answer please, please, I’m giving 30 points...
12345 [234]
Step 1 = 3.9 × 0.5 + 4 5/6 ÷ 3 3/7
Step 2 = 3.9 × 0.5 + 29/6 ÷ 24/7
Step 3 = 4.4 + 29/6 × 24/7
Step 4 = 4.4 + 29/1 × 4/7
Step 5 = 4.4 + 111/7
Step 6 =44/10 + 111/7


Step one : Write the problem
Step two : Change the mixed numbers to improper fractions
Step three : Multiplication and Division should be done first. Then simplify.
Step four : Change the division to multiplication and multiply.
Step 6 : Add the remaining fractions


Sorry i didn't know which one so i did the first one. Hope it helps you.
8 0
3 years ago
Write an equation for the following situation:
IRISSAK [1]
Y * x = $300    hope it helps   
3 0
3 years ago
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