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mixer [17]
3 years ago
12

Which of the following graphs represents a function ?

Mathematics
2 answers:
lions [1.4K]3 years ago
6 0

Answer:

a

Step-by-step explanation:

A because the x-axis only is used once per y-axis.

Tju [1.3M]3 years ago
4 0

Answer:

It is C, in my opinion. Have a nice day. :)

Step-by-step explanation:

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What is the common ratio and explicit formula for -2,6,-18,54?
Snezhnost [94]

Answer:

The explicit formula for a given geometric sequence is of the form

a_{4} =\frac{1}{(a_{1})^4}

Step-by-step explanation:

Given sequence is {\{-2,6,-18,54}\}

Let a_{1}=-2,a_{2}=6,a_{3}=-18,a_{4}=54

To find the common ratio r:

r=\frac{a_{2}}{a_{1}}

=\frac{6}{-2}

=-3

Therefore r=-3

r=\frac{a_{3}}{a_{2}}

=\frac{-18}{6}

=-3

Therefore r=-3

Therefore common ratio is -3

Therefore given sequence is geometric sequence.

The explicit formula for a geometric sequence is a_{n}=a_{1}^{r-1}, where common ratio is r.

From given sequence we are having  r=-3

Therefore the explicit formula for a given geometric sequence is of the form a_{4} =a_{1}^{-3-1}

a_{4} =a_{1}^{-4}

a_{4} =\frac{1}{(a_{1})^4}

6 0
3 years ago
The perimeter of the figure is 24 cm . What is the length of the missing side?
nikdorinn [45]
It doesnt make sense. Is there suppose to be an image?
4 0
3 years ago
Needed now PLEASE HELP ME FOR BRAINIEST on a graph what does the solution of a system of equations look like.
siniylev [52]
On a graph with two or more different lines representing the two or more different equations in a system of equations, the solution to the system of equations is the point at which the different lines intersect.

Hope this helps!
7 0
3 years ago
Please help me, I need a math expert
Luda [366]
<u>Sampe : Total</u>
25        :   750
(÷25)       (÷25)
  1         :    30
( x7)         ( x7)
  7        :    210

Answer:  (a) There is a total of 210 orange cakes made on Monday.

The sample is 5 when corrected to the nearest whole number.
⇒Smallest possible number is 4.5

Total orange cakes baked on Tuesday = 4.5 x 30 = 135

P(Orange Cake)  = 135/750 = 9/50

Answer: (b) The probability is 9/50

8 0
3 years ago
Given a real number x and a positive integer k, determine the number of multiplications used to find x2k starting with x and suc
Alex

Answer: It is a more efficient way to find x2k than by multiplying x by itself the appropriate number of times.

Step-by-step explanation: Please find the attached file for the solution

8 0
3 years ago
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