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erastovalidia [21]
3 years ago
12

Which graphs form a function? (Choose all that apply)

Mathematics
1 answer:
ddd [48]3 years ago
3 0
A and D
To find it out on a graph is the line test
Draw a line going up and down and if it only passes the line once it’s a function but if it touches the line more then once it is not
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Colin invests £100 into his bank account.
irakobra [83]

Answer: £100×104/100×104/100×104/100×104/100×104/100×104/100×104/100

=131.59

7 0
3 years ago
A faucet drips 2/5 gallon of water in 3 1/2 hours. What is the unit rate of water dripped per hour?
den301095 [7]

Answer: Unit rate = 4/35 of a gallon per hour

=============================================

Work Shown:

3 & 1/2 = 3 + 1/2

3 & 1/2 = 6/2 + 1/2

3 & 1/2 = (6+1)/2

3 & 1/2 = 7/2

The faucet drips 2/5 of a gallon in 7/2 hours

2/5 gallon : 7/2 hours

2*(2/5 gallon) : 2*(7/2 hours) ..... multiply both sides by 2

4/5 gallon : 7 hours

(1/7)*(4/5 gallon) : (1/7)*(7 hours) ... multiply both sides by 1/7

4/35 gallon : 1 hour

The unit rate is 4/35 of a gallon per hour.

"Per hour" means "every 1 hour".

6 0
3 years ago
The school student council sponsored a Switch Day where students were able to switch classes every 20 minutes. The students are
zavuch27 [327]
21 classes, because if the school hours are 7 hours long it would be 21 classes


5 0
3 years ago
What’s the product of (-3)(-1)
Vlad1618 [11]

Answer:

-4

Step-by-step explanation:

negative plus a negative means add

You add the number then keep the negative sign

6 0
3 years ago
Please help! I really need help!
skelet666 [1.2K]
As the input is increased by 1.

4 / (1/4) = 4 * 4 = 16

64/4 = 16

1024/64 = 16

So we can see the output factor is increased by a factor of 16.

Hope this helps.
8 0
3 years ago
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