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UNO [17]
3 years ago
9

Which is an exponential function?

Mathematics
1 answer:
juin [17]3 years ago
3 0

Answer:

D)

Step-by-step explanation:

The exponential functions are in the form of

f(x)= ka^x

Hence we can see here that the variable x is in the exponential in such functions. Therefore the option D is the correct as in this the x is the exponent.

Therefore the option D) is our exponential functions

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What is the coefficient of x4y4 in the expansion of (x + y)8?
dimulka [17.4K]

Answer:

70

Step-by-step explanation:

If you use Pascal's Triangle, you will need 9 lines, since there are 9 terms in a binomial raised to the 8th power.  Those 9 terms are:

1, 8, 28, 56, 70, 56, 28, 8, 1

The first expansion through the one we need are below (I hope you know how to use Pascal's Triangle!):

1(x^8)(y^0)+8(x^7)(y^1)+28(x^6)(y^2)+56(x^5)(y^3)+70(x^4)(y^4)+...

5 0
3 years ago
Read 2 more answers
Pls help! I dont know what to put im horrible at patterns
Lady_Fox [76]

Answer:

divide by 4, 12, 21

Step-by-step explanation:

first, look at 20, and 5. How do you get there?

well, there are 2 possible ways.

20/4=5, or 20-15=5

we take it into the next pattern to get

44/4=11, and 44-15=29.

so now we know that the rule is to divide by 4

____________________________________________

36/4 = 12

84/4=21

7 0
3 years ago
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Anyone else feel like there life is crashing down?
djyliett [7]

Answer:

I feel u bro

just find sum1 to talk to about it uknow? it helps lift tha burden

Step-by-step explanation:

5 0
2 years ago
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What is the value of x in the equation −6 + x = −1? (5 points)
Mice21 [21]

Answer:

5

Step-by-step explanation:

Add 6 to both sides. The answer is 5.

5 0
2 years ago
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The diameter of the attic is 18ft and its height is 18ft. What's is the volume of the space in the attic
Svet_ta [14]
I attached an image with the complete question.

Answer:
volume of attic = 1526.04 ft³

Explanation:
Volume of cone can be calculated using the following rule:
Volume = \frac{1}{3} * area of base * height
Volume = \frac{1}{3} * π * radius² * height
We are given that:
π = 3.14
radius = 18/2 = 9 ft
height = 18 ft

Substitute in the equation to get the volume as follows:
Volume = \frac{1}{3} * 3.14 * (9)^2 * (18) = 1526.04 ft³

Hope this helps :)

5 0
3 years ago
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