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stellarik [79]
2 years ago
5

F(x) = -x² + 6 Find f(-3).

Mathematics
2 answers:
stepan [7]2 years ago
6 0

Answer:

Step-by-step explanation:

f(-3)= -(-3)^2+6= -9 + 6 = -3

Delicious77 [7]2 years ago
5 0

Answer:

Step-by-step explanation:

this is a really questuon so instead of x we put -3 so its going to look something like this. (PLUG IN -3 FOR X)

f(-3)= (-3)^2+6

f(-3)= -9+6 (-9 because of -3^2)

then the equation becomes

f(-3)= -9+6

(USING THE RULES) we get -3 as our Final answer

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the performing arts department put in its spring show on Friday and Saturday nights. the price of a ticket was the same both nig
Galina-37 [17]
Let p= the price of a ticket
Let c= the cost to put on the show

Formula:
(profit) = (ticket price) * (number of people) - (cost to put on show)
We have two equations here:
500=120p-c
400=100p-c
Solve:
100=20p
⇒p=5
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So the price of a ticket is $5, and the cost to put on the show is $100.
3 0
3 years ago
Find the Surface Area. I need the answer fast.
murzikaleks [220]

Answer:

1615

Step-by-step explanation:

Area of triangle is: A= B•H•1/2

Area of square is A= L•W

39•17•1/2= 331.5

331.5•4= 1326

17•17= 289

Add the square area to the area of the triangles

289+ 1326= 1615

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8 0
3 years ago
Read 2 more answers
Find the distance between the two points.<br> (-6, -7) and (154, - 43)
Vitek1552 [10]

Answer:

(160, 36)

Step-by-step explanation:

Distance is always positive because, well, you aren't -50 meters away from your house or something. You are just 50 meters away from your house. And 160 is the distance between -6 and 154, because there is one minus and one plus, you add them, because that is how far they are apart, and then-43 and -7 were easy just subtract them.

8 0
2 years ago
What is the average rate of change for this exponential function for the interval from x=2 to x=4?
mario62 [17]

The equation to calculate the average rate of change is: y/x

y = f(x2) - f(x1)x = x2 - x1

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If we know this, the variables for this problem are assuming the function is 10(5.5)^x:

x2: 2x1: 1f(x2): 10(5.5)^(2) = 302.5f(x1): 10(5.5)^(1)= 55

This means:y = 302.5  - 55 = 247.5x = 2 - 1 = 1

Remember: the equation for avg rate of change is y/x

So, our average rate of change for the function on the interval [1,2] is 247.5 (y/x = 247.5/1)

5 0
3 years ago
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The diagonals of a kite separate the quadrilateral into four congruent triangles
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