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natka813 [3]
3 years ago
7

I need help finding the Function notation

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
7 0

Answer:

  1.5, -8, 0, 2f, 2/3

Step-by-step explanation:

j(x) = 2x means the function name is j, and it is a function of the variable x. To evaluate the function, you put the given value everywhere you see x, and do the arithmetic.

  j(0.75) = 2(0.75) = 1.5

  j(-4) = 2(-4) = -8

  j(0) = 2(0) = 0

  j(f) = 2f

  j(1/3) = 2(1/3) = 2/3

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I will give u 5 stars for you answer and ill mark u brainilest if u tell me how to do it.
kolezko [41]

Answer:

Erin ran 12.5 miles

Luis ran 7.5

In all they ran 20 miles.

Step-by-step explanation:

Erin: 5 x 3.5 = ?

Luis: 3 x 2.5 = ?

----------------------------

5 x 2.5 = 12.5 . Erin ran 12.5 miles

3 x 2.5 = 7.5 .  Luis ran 7.5 miles

7.5 + 12.5 = 20 miles

They ran 20 miles all together.

Hope this helps!

3 0
3 years ago
In ΔCDE, the measure of ∠E=90°, the measure of ∠C=75°, and CD = 5.8 feet. Find the length of EC to the nearest tenth of a foot.
bearhunter [10]

Answer: 3 feet

Step-by-step explanation: Bc I got it wrong and it showed me the real answer so

4 0
3 years ago
Read 2 more answers
Which Set of Ordered Pairs Doesn't Represent A Function DUE TONIGHT WILL GIVE<br> BRAINLIEST
vlada-n [284]

Answer:

B

Step-by-step explanation:

In the first two coordinates, they share an x-value: 5

8 0
2 years ago
A square has sides with lengths of (x - 2) units. A rectangle has a length of x units and a width of
vagabundo [1.1K]

Answer:

(A)The area of the square is greater than the area of the rectangle.

(C)The value of x must be greater than 4

(E)The area of the rectangle is (x^2-4x) \:Square \:Units

Step-by-step explanation:

The Square has side lengths of (x - 2) units.

Area of the Square

(x-2)^2=(x-2)(x-2)=x^2-2x-2x+4\\=(x^2-4x+4) \:Square \:Units

The rectangle has a length of x units and a width of  (x - 4) units.

Area of the Rectangle =x(x-4)=(x^2-4x) \:Square \:Units

<u>The following statements are true:</u>

(A)The area of the square is greater than the area of the rectangle.

This is because the area of the square is an addition of 4 to the area of the rectangle.

(C)The value of x must be greater than 4

If x is less than or equal to 4, the area of the rectangle will be negative or zero.

(E)The area of the rectangle is (x^2-4x) \:Square \:Units

3 0
3 years ago
Alexander was putting on a theatre show to debut his play. He is charging $2 for child tickets and $5 for adult tickets. His the
Gwar [14]

19 children tickets and 31 adults ticket were sold

2x+5y = 193

Step-by-step explanation:

sold 19 tickets for children  $2  =  19×2 = $38

sold 31  tickets for adult  $5      =  31×5 = $155

Total debut = $38 + $155 =  $193

Total Seats =  19 (children)+ 31 adults)  = 50 seats

2x+ 5y = 193  where x denotes children tickets and y denotes adult tickets

2(19)+5(31) =193

(2×19) + (5×31) = 38 + 155 = 193

(2×19) + (5×31) = 38 + 155 = 193

6 0
4 years ago
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