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3 years ago

Does the graph represent a function? Yes or No

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

8 0

Answer:

Yes, the graph is a function because the lines do not overlap one another (vertical line test)

- I hope this helps have a great night

Oxana [17]3 years ago

8 0

Yes but it’s undefined

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Corey has 16 cups of flour to make cookies. One batch of cookies takes 2 1/2 cups of flour. If he must save 6 cups of flour for

sladkih [1.3K]

16-6=10
2.5x=10
Divide by 2.5
X=4

Corey can make 4 batches of cookies. I hope this helps:)

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4 years ago

The table represents the function f (x) = 3x - 1.

Xelga [282]

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3 years ago

your brother 1/4 yor age.your sister is 8 years older than your brother.your sister is 12 years old.write and solve tan equation

nekit [7.7K]

Let A be your age, B be the age of your brother and S be the age of your sister.

Since your brother is 1/4 your age, then:

$B=\frac{1}{4}A$

Since your sister is 8 years older than your brother, then:

$S=B+8$

Since your sister is 12 years old, then:

$S=12$

Use the second equation to find your brother's age by plugging in S=12:

$\begin{gathered} S=B+8 \\ \Rightarrow12=B+8 \\ \Rightarrow B=12-8 \\ \therefore B=4 \end{gathered}$

Plug in B=4 in the first equation to find your age:

$\begin{gathered} \frac{1}{4}A=B \\ \Rightarrow\frac{1}{4}A=4 \\ \Rightarrow A=4\times4\rbrack \\ \therefore A=16 \end{gathered}$

Therefore, you are 16 years old.

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1 year ago

What is the inverse of the function f(x) = one-ninthx + 2?

Bumek [7]

Answer: 9x - 18

Step-by-step explanation:

Inverse is when you swap the x's and y's and solve for y

$\text{Given: }\quad y=\dfrac{1}{9}x+2\\\\\text{Swapped: }x=\dfrac{1}{9}y+2\\\\.\qquad \quad x-2=\dfrac{1}{9}y\\\\.\qquad 9(x-2)=y\\\\.\quad \large\boxed{9x-18=y}$

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3 years ago

Suppose that we test the hypotheses LaTeX: H_0 H 0 : LaTeX: \mu=50 μ = 50 LaTeX: H_a H a : LaTeX: \mu>50 μ > 50 Further su

s344n2d4d5 [400]

Answer: 0.0108

Step-by-step explanation:

Given : $H_0:\mu=50\\\\H_a:\mu>50$

Since the alternative hypotheses is right-tailed, so the test is a right-tailed test.

Sample size : n=30

The degree of freedom for t-distribution= $=n-130-1=29$

The by using the normal t-distribution table , we have

The P-value corresponds to t-statistic vale 2.43 and degree of freedom 29 , is 0.01075997 i.e. approximately 0.0108

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3 years ago