Which graph is not a function

Mathematics

2 answers:

g100num [7]3 years ago

5 0

Answer:

i'm pretty sure the one you have selected in the photo is right

Step-by-step explanation:

iogann1982 [59]3 years ago

5 0

Answer:

The first graph

Step-by-step explanation:

The first graph is not a function because it just has plotted points, not graph to actually represent it

The other two graphs we would be able to determine the function that makes each one

For example the second graph is an absolute value function (y = |x|) while the third graph is an x = function ( x = 3 )

A function cannot be figured out with only the points in the first graph

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The minute hand of a clock is 8 inches long. To the nearest tenth of an inch, how far does the tip of the minute hand travel as

lesya692 [45]

Answer:

The tip of the minute hand travels 20.9 inches.

Step-by-step explanation:

We are given that the minute hand of a clock is 8 inches long. And we have to find that how far does the tip of the minute hand travel as the time progresses from 12:00 to 12:25.

<u>So, firstly we will find the circumference of circle;</u>

Circumference of circle (C) = $2\pi r$ {where r is radius of circle}

= $2 \times \pi \times 8$ {given r = 8 inches long}

= $16 \pi$

Now, as we know that the minute hands completes the full circle in 60 minutes, therefore, the length of the arc between time 12:00 to 12:25 represents $\frac{25}{60}$ which is $\frac{5 }{12}$ of the circumference, that means;