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g100num [7]
2 years ago
10

Which expression is a factor of 16x^2-81

Mathematics
1 answer:
krek1111 [17]2 years ago
3 0

Answer:

b

Step-by-step explanation:

Reasoning: the square root of 16 is 4 and 81 square root is 9

so it is b pls give brainliest! have a good day

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4 0
3 years ago
What is the inverse of cube root x/3 +1
Ostrovityanka [42]

Answer:

{f}^{ - 1} (x) = 3 {x}^{2}  - 3

Step-by-step explanation:

We want to find the inverse of

y = \sqrt[3]{ \frac{x}{3} + 1}

We interchange x and y to get:

x= \sqrt[3]{ \frac{y}{3} + 1}

We solve for y;

{x}^{2}  =  \frac{y}{3}  + 1

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3 {x}^{2}  = y + 3

Subtract 1 from both sides:

y = 3 {x}^{2}  - 3

Therefore the inverse is

{f}^{ - 1} (x) = 3 {x}^{2}  - 3

8 0
3 years ago
Look at this graph:
Andrew [12]

Answer:

2

Step-by-step explanation:

"Rise over run"

- It goes up 2

- Over 1

- \frac{2}{1} simpifies to 2

5 0
3 years ago
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