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valina [46]
3 years ago
10

Which relation is a function?

Mathematics
2 answers:
Basile [38]3 years ago
8 0

Answer:

The first one: {{7, 12), (1, -5), (3, -10), (2, -5)}

Step-by-step explanation:

Functions can't have repeating x values. Each x has to have its own y value.

lina2011 [118]3 years ago
8 0
The first one because X does not repeat
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Simplify and show work please 3∙[ 9 – 2∙ (7 – 8)]
GrogVix [38]

Answer: -21

Step-by-step explanation:

whatever

7 0
3 years ago
Can you please help me with this side of these problems.
Vlad [161]

Answer:

6: Reason 2 - substitution, Statement 4 - PR congruent to PR, Reason 4 - reflexive property, Reason 5 - AAS

8: Rotation

Step-by-step explanation:

6: Since both of the given angles equal 90°, you can <em>substitute</em> Angle RPT in to make Angle PRQ congruent to Angle RPT. Then, since both triangles share Line PR, <em>PR would be congruent to PR</em> by the <em>reflexive property</em>. And since you know that Angle Q is congruent to Angle T, you can see that Triangle QRP is congruent to Triangle TPR by the <em>AAS theorem</em>.

8: Since the 1st triangle is pointing to the right and the 2nd triangle is pointing downward, this would be a rotation of 90° clockwise (or 90° counterclockwise if the 1st triangle is the one pointing downward)

I don't have 7, sorry.

Also (if you haven't noticed it already), there's a typo in the 1st statement of the proof. Just thought I'd let you know ;)

5 0
3 years ago
The graph of f(x) = |x| is reflected across the y-axis and translated to the left 5 units. Which statement about the domain and
sdas [7]

Answer:A ( Both the domain and range of the transformed function are the same as those of the parent fuction

Step-by-step explanation: yes.

8 0
2 years ago
Cory earns 52.50 in 7 hours. find the unit rate
Elza [17]

divide them:

52.50 / 7 = 7.50 dollars per hour

7 0
3 years ago
Read 2 more answers
Find the first partial derivatives of the function. f(x, y) = x6 + 9xy5 fx(x, y) = _________ fy(x, y) = _____________
Tju [1.3M]

Answer:

f_x(x,y)=6x^{5}+9y^5

f_y(x,y)=45xy^{4}

Step-by-step explanation:

Given : Function f(x,y)=x^6+9xy^5

To find : The first partial derivatives of the function fx(x, y) and fy(x, y) ?

Solution :

Function f(x,y)=x^6+9xy^5

Partial derivative w.r.t to x means y treat as constant,

f_x(x,y)=6x^{6-1}+9\times 1x^{1-1}y^5

f_x(x,y)=6x^{5}+9x^{0}y^5

f_x(x,y)=6x^{5}+9y^5

Partial derivative w.r.t to y means x treat as constant,

f_y(x,y)=0+9\times 5xy^{5-1} (Derivative of constant is zero)

f_y(x,y)=45xy^{4}

4 0
3 years ago
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