Which equation is a function?

Mathematics

2 answers:

kaheart [24]2 years ago

8 0

Option C I think???????

Aleksandr-060686 [28]2 years ago

8 0

I think is 2 but I’m not sure

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Find the first, fourth, and eighth terms of the sequence. A(n) = –5 • 3n–1

jeka94

Answer:

Step-by-step explanation:

$\text{Substitute}\ n=1,\ n=4\ \text{and}\ n=8\ \text{to}\ A(n)=-5\cdot3^{n-1}:\\\\A(1)=-5\cdot3^{1-1}=-5\cdot3^0=-5\cdot1=-5\\\\A(4)=-5\cdot3^{4-1}=-5\cdot3^3=-5\cdot27=-135\\\\A(8)=-5\cdot3^{8-1}=-5\cdot3^7=-5\cdot2,187=-10,935$

6 0

2 years ago

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Help me on this pleaseee

lisabon 2012 [21]

Answer:

Bolded below are the answers

Step-by-step explanation:

4568 ÷ 8

(4000 ÷ 8) + (560 ÷ 8) + (8 ÷ 8)

500 + 70 + 1

571

Hope this helps!

8 0

2 years ago

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Solve for u

Sergio039 [100]

U/9 = 8/12 u = 6

Step 1: Cancel the common factor (4)

u = 2
—- —-
9 3

Step 2: multiply both sides by 9

9u 2 * 9
—- = ——-
9 3

Step 3: simplify

2 *9 = 18

18 ÷ 3 = 6

u = 6

8 0

2 years ago

Plot the image of point D under a dilation about point P with a scale factor of

Vikentia [17]

It’s at point d and point p

5 0

2 years ago

Ierofanga [76]

Answer:

Step-by-step explanation:

Sum the product of the components in the first row of A with the corresponding components of the first column in B

Repeat this with the components in the second row of A with the corresponding components of the second column in B, that is