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WINSTONCH [101]
3 years ago
13

NEED HELP! Create a table of points from the equation f (x)= 3x^2 -8x + 2

Mathematics
1 answer:
defon3 years ago
5 0

Answer:

The second table

Step-by-step explanation:

To create table of points using the function, f(x) = 3x^2 - 8x + 2, substitute the value of x in each case.

Thus,

For x = -1,

f(-1) = 3(-1)^2 - 8(-1) + 2 = 3(1) + 8 + 2 = 3 + 8 + 2

f(-1) = 13

For x = 0

f(0) = 3(0)^2 - 8(0) + 2 = 3(0) - 0 + 2 = 0 - 0 + 2

f(0) = 2

For x = 1,

f(1) = 3(1)^2 - 8(1) + 2 = 3(1) - 8 + 2 = 3 - 8 + 2

f(1) = -3

For x = 2,

f(2) = 3(2)^2 - 8(2) + 2 = 3(4) - 16 + 2 = 12 - 16 + 2

f(2) = -2

For x = 3,

f(3) = 3(3)^2 - 8(3) + 2 = 3(9) - 24 + 2 = 27 - 24 + 2

f(3) = 5

The second table is the correct answer.

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Answer:

The speed of the Zach travelling is 8 miles per hour.

The speed of the Warren travelling is 15 miles per hour.

Step-by-step explanation:

Given : Zach and Warren both leave the coffee shop at the same time, but in opposite directions. If Warren travels 7 mph faster than Zach and after 7 hours they are 161 miles apart.

To find : How fast is each traveling?

Solution :

Let the speed of Zach is x mile per hour.

If Warren travels 7 mph faster than Zach

The speed of the Warren is x+7 miles per hour.

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The distance covered is 161 miles in 7 hours.

We know, \text{Distnace}=\text{Speed}\times \text{Time}

Substitute,

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