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3 years ago

Does this graph represent a function? Why or why not?

Mathematics

2 answers:

Illusion [34]3 years ago

5 0

Answer:

Inspect the graph to see if any vertical line drawn would intersect the curve more than once. If there is any such line, the graph does not represent a function. If no vertical line can intersect the curve more than once, the graph does represent a function.

Step-by-step explanation:

<h3>hope it helps you from my side </h3>

guajiro [1.7K]3 years ago

4 0

Answer:

I think it's a function because it passes the vertical line test

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A concrete column has a diameter of 390 mm and a length of 3 m. If the density (mass/volume) of concrete is 2.45 Mg/m^3, determi

Serhud [2]

Answer:

Step-by-step explanation:

The column has the shape of a cylinder hence the formula for the volume of a cylinder is

$v=\pi r^2h$

Given

diameter d= 390 mm

radius r= 390/2= 195 mm to meter = 0.195 m

length or height h= 3 m

applying the data to the formula we have

$v=\pi *0.195^2*3\\\\ v=\pi*0.0038*3\\\\ v=\pi*0.0114\\\\ v=0.035 m^3$

we can now use the volume in addition with the density given to solve for the mass using the expression for density

density= mass/volume

2.45= mass/0.035

mass= 2.45*0.035

mass= 0.085 mg

We know that weight

w= mass* acceleration

w= 0.085*9.81

w= 0.83 N

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bekas [8.4K]

Answer:

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Step-by-step explanation:

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