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N76 [4]
3 years ago
6

Which equations represent functions?

Mathematics
2 answers:
Alla [95]3 years ago
7 0
A is not a function. It is a sideways parabola.
B is a function. It is a line.
C is not a function
D is a function. It is a parabola.
ANSWER: B & D
garik1379 [7]3 years ago
4 0
Hello,
B, C, and D are the correct answers. Option D is the parent function of a parabola which is a function (it passes the vertical line test). Option C is also a parabola (shifted a unit to the right) and Option B is a linear graph which is a function. Option A doesn't pass the vertical line test and therefore isn't a function. I attached an image in case you weren't sure what the vertical line test is. Hope this helps!

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​A college student only saves quarters and dimes in her piggy bank. She empties out her piggy bank at the end of each month. Thi
Nadusha1986 [10]
For this case, the first thing we must do is define variables:
 x = number of quarters
 y = number of dimes
 We now write the system of equations:
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 Answer:
 
the college student has:
 
8 quarters
 
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8 0
3 years ago
DOES A PLANE CONTAIN ATLEAST TWO POINTS THAT LIE ON THE SAME LINE?
romanna [79]
Your question evokes several thoughts. Here are two of them:. 1). It takes 3 points not all on the same line to define a plane. 2). Two points ALWAYS lie on the same line.
5 0
3 years ago
Identify the slope and y-intercept of the line 4x + 2y < 3.
Artyom0805 [142]

Answer:

Step-by-step explanation:

4x+2y<3

y<-2x + \frac{3}{2}

7 0
2 years ago
Find the measure of the indicated angle.<br><br>Answers:<br>A: 211<br>B: 81<br>C: 119<br>D: 89
Trava [24]

Answer:

89°

Step-by-step explanation:

Ok so the measure of a triangle is 180°.

We have one angle, so we need to find m∠ACB.

A line is 180°.

180-150= 30.

m∠ACB=30°.

m∠BAC=61°.

180-(61+30)=89°

==============================================================

I hope this helps!  

Have a nice day ❤

7 0
2 years ago
Read 2 more answers
A triangle has angles that measure 99° and 11°. <br>  <br> What is the measure of the third angle?
Thepotemich [5.8K]
Triangle, sum of all 3 angles = 180

so 180 - (99 + 11) = 180 - 110 = 70

answer: the third angle = 70
6 0
3 years ago
Read 2 more answers
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