2 years ago

List 5 examples of identity functions

Mathematics

1 answer:

tester [92]2 years ago

4 0

Answer:

noob dsbhsaghcfddguhfcc

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Find the sum of the first 6 terms in the sequence -5 -25 -125 -625

sashaice [31]

This is a geometric sequence, so use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -5
r is the common ratio, 5
and n is the number of terms

Thus,
Sum = ((-5)(5^6 - 1))/(5-1) = -19530

5 0

2 years ago

3x+7-6=(8/7)-0<br>Value of x?

ArbitrLikvidat [17]

Answer:

$\boxed{\sf x = \dfrac{1}{21}}$

Explanation:

$\rightarrow \sf 3x+7-6= \dfrac{8}{7} - 0$

simplify the following

$\rightarrow \sf 3x+1= \dfrac{8}{7}$

subtract 1 from both sides

$\rightarrow \sf 3x+ 1 -1= \dfrac{8}{7} - 1$

simplify the following

$\rightarrow \sf 3x= \dfrac{1}{7}$

multiply both sides by 1/3

$\rightarrow \sf 3x \cdot \dfrac{1}{3}= \dfrac{1}{7}\cdot \dfrac{1}{3}$

simplify the following

$\rightarrow \sf x = \dfrac{1}{21}$

5 0

1 year ago

Read 2 more answers

Inverse function for y=x^2

Leviafan [203]

Answer:

y= $\sqrt{x}$

Step-by-step explanation:

To find inverse of something, just switch the variables

x=y^2

now try to solve back in terms of y

y= $\sqrt{x}$

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2 years ago

Kristin owns a bakery called Kristin’s cakes and n’ such and is considering lowering the price of her cakes. Kristen polls her c

den301095 [7]

1,3,5
4 looks like true but decreasing but 2 dollars also gives max revenue, so I not sure about it

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2 years ago

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What does an r value of −1 represent in correlation?

BARSIC [14]

It means the scatter plot is a line with negative slope. The relation is perfectly described by a linear equation.

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2 years ago