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mixer [17]
3 years ago
10

Is y=x(x-1) a function

Mathematics
2 answers:
arsen [322]3 years ago
7 0

Answer:

Yes.

Step-by-step explanation:

y = x(x - 1) is a function.

If we draw a graph of the  expression  we get a parabola  which is shaped  like a U.

The graph passes the vertical line test for s function (that is -  any vertical line drawn through the curve passes through the curve at only one point).

Fed [463]3 years ago
4 0
Yes it is a function
Y=x(x-1)
X(x-1)
X to the 2nd power -1x
Hope that’s helps
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Help................
aniked [119]

Step-by-step explanation:

  1. (1/7)³=1³/7³=1/343
  2. 2⁵=32
  3. 1.4²=1,4×1,4=1,96
3 0
3 years ago
Read 2 more answers
Can someone please help me!
Alina [70]

Answer:

84

Step-by-step explanation:

k(x+6)= 4x²+20

k(10)= k(4+6)= 4*4²+20= 64+20= 84

8 0
3 years ago
If you like graphing this is for you :D​
Pavel [41]

Answer:

You are trying to find the x-value when the y-value is 2. On the graph, the x-value is -3 when the y-value is 2. So, the x-value when f(x)=2 is -3.

:)

3 0
2 years ago
The teacher has 15 gold prize ribbons, 22 blue ribbons, and 5e red ribbons. There are 12 boys and 18 girls in the class. If the
natulia [17]

Answer:

3

Step-by-step explanation:

Given

15 gold ribbons

22 blue ribbons

53 red ribbons

Total of 53 + 22 + 15 = 90 ribbons

Total number of students = 12 boys + 18 girls = 30 students.

If evenly divided, each student will have 90/30 = 3 ribbons

The expression to solve would basically be the amalgamation of what we did above:

(53 + 22 + 15)/(12+18)

4 0
3 years ago
What is the first quartile of this data set
adelina 88 [10]

Answer:

C:12

Step-by-step explanation:

should be 13.5

The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set.

so the middle number of 10,11,12,15,17,19 is 13.5   since 12+15=27/2=13.5

the closest answer choice is C! Hope this helped!

3 0
3 years ago
Read 2 more answers
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