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Andreas93 [3]
3 years ago
14

Which graph represents an even function?

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
8 0

Answer: last graph

Step-by-step explanation: Graphs of functions that are ODD, are symmetric about the origin.

Graphs of function that are EVEN, are symmetric about y-axis.

We need to figure out which one of the 4 are EVEN. So we take y-axis as the mirror and see both sides, LEFT and RIGHT and see i the points are symmetric or not.

Graph 1, 2, 3  ----  not symmetric about y-axis

Graph 4  -------  Definitely every point to left side of y-axis has a corresponding mirror point to the right of y-axis. So this is an EVEN FUNCTION.

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Identify the factors of 4x2 + 20x + 25.
creativ13 [48]
The answer is C. (2x+5)(2x+5)
7 0
3 years ago
Read 2 more answers
Copy the problems onto your paper, mark the givens and prove the statements asked.
natulia [17]

The statements and reasons for the proof are:

  1. CN ≅ WN [given]
  2. ∠C ≅ ∠W [given]
  3. m∠CNR ≅ ∠WNO [vertical angles theorem]
  4. ΔCNR ≅ ΔWNO [ASA theorem]
  5. RN = ON [CPCTC]

<h3>What is the CPCTC and ASA Congruence Theorem?</h3>

When two triangles have two corresponding congruent angles and one corresponding included sides that are congruent, both triangles are congruent by ASA. By implication, the CPCTC states that since they are congruent triangles, all its corresponding parts are congruent to each other.

The statement for the proof along with the reasons in bracket are:

  1. CN ≅ WN [given]
  2. ∠C ≅ ∠W [given]
  3. m∠CNR ≅ ∠WNO [vertical angles theorem]
  4. ΔCNR ≅ ΔWNO [ASA theorem]
  5. RN = ON [CPCTC]

Learn more about the CPCTC theorem on:

brainly.com/question/14706064

#SPJ1

8 0
2 years ago
Suppose two telephone poles are 60 ft apart and the length of the wire between the poles is 61 ft. If the lowest point of the wi
Brut [27]

Answer:

H=22.5ft

Step-by-step explanation:

According to the graph, we must find y to determine the height at which the rope must be placed so that the lowest point of the rope is 17 ft high .

applying the pythagorean theorem

h^{2}=x^{2}  +y^{2}\\y^{2}=h^{2} -x^{2}\\y^{2}=30.5^{2} -30^{2}\\ y^{2}=930.25-900\\y=\sqrt{30.25}=5.5ft

then H=17ft+5.5ft=22.5ft

5 0
4 years ago
At midnight,the temperature was 30F by 6:00 am; it had dropped 5 and by noon it had increased by 11. What was the temperature at
wariber [46]

Answer:

36 F

Step-by-step explanation:

30 - 5 = 25 (6.00AM)

25 + 11 = 36 (NOON)

6 0
3 years ago
Please help me with math thanks
Korvikt [17]
Given that a room is shaped like a golden rectangle, and the length is 29 ft with the ratio of  golden rectangle being (1+√5):2, thus the width of the room will be:
ratio of golden triangle=(length if the room)/(width of the room)
let the width be x
thus plugging the values in the expression we get:
29/x=(1+√5)/2
solving for x we get:
x/29=2/(1+√5)
thus
x=(29×2)/(1+√5)
answer is:
x=58/(1+√5)
or
 byrationalizing the denominator by multiplying both the numerator and the denominator by (1-√5)
58/(1+√5)×(1-√5)/(1-√5)
=[58(1-√5)]/1-5
=(58√5-58)/4
7 0
4 years ago
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