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3 years ago

Which statement best illustrates using the vertical line test to determine if the graph below is a function of x ?

2 answers:

4 0

If something is a function, every x-value, only has one (1) y-value. If the line x = 0 intersects the graph in two points, there are to values for y (instead of one). Therefore the graph is not a function of x.

Your answer is A.

Mekhanik [1.2K]3 years ago

3 0

Answer:

Step-by-step explanation:

A function can only have one output value "y" for each input "x", so if a vertical line in an xy plane (therefor the line test) that you can imagine, or you can see by using a ruler intersects more than one point on the same line, you have more than one value for x, and that is not a function.

as you see in option A, the line x=0 intersects the graph at two points.

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Which is the correct form of the quadratic formula?

d1i1m1o1n [39]

Answer:

The form ax2 + bx + c = 0 is called standard form of a quadratic equation. Before solving a quadratic equation using the Quadratic Formula, it's vital that you be sure the equation is in this form.

Step-by-step explanation:

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3 years ago

tims math homework is on five consecutive pages in the math textbook, and the sum of those page numbers is 630. what is the page

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3 years ago

Read 2 more answers

What is 4 to the 2/3 power

Anna11 [10]

$\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^{ n}} \qquad \qquad
\sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}\\\\
-------------------------------\\\\
4^{\frac{2}{3}}\implies \sqrt[3]{4^2}\implies \sqrt[3]{(2^2)^2}\implies \sqrt[3]{2^4}\implies \sqrt[3]{2^{3+1}}\implies \sqrt[3]{2^3\cdot 2}
\\\\\\
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3 years ago

There were 239 people at Travis Scott concert.Admission to get the drive in concert was $15 for adults and $5.50 for children th

svlad2 [7]

Answer: There are 152 adults and 87 children.

Step-by-step explanation:

Let x= Number of adults

y= Number of children

As per given, we have

x+y = 239 (i)

15x+5.50y= 2758.50 (ii)

Multiply 5.50 on both sides of (i) , we get

5.50x+5.50y=1314.5 (iii)

Subtract (iii) from (ii), we get

9.5x = 1444

⇒ x = 152

Put value of x in (i) , we get

152+y=239

⇒ y= 239-152

⇒ y= 87

Hence, there are 152 adults and 87 children.

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2 years ago