How do I turn this vertex form -2(x-0)^2 + 18 in to a standard form

1 answer:

8 0

Answer:
-2x^2+18
Explanation:
Since (x-0)^2 is the same thing as (x-0)(x-0), you should multiply out (x-0)^2, you’ll get this
-2(x^2-0x-0x+0)+18
Then simplify
-2(x^2)+18
-2x^2+18

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(35 Points) Evaluate ƒ(x) when x = 6.

pychu [463]

The value of the function is 6

Step-by-step explanation:

The function that we have in this problem is

$f(x)=\left \{ {{3x^2+1}, -4$

This means that:

when x is between -4 (excluded) and 6 (excluded), the value of the function is $3x^1+2$

when x is between 6 (included) and 9 (excluded), the value of the function is 6

In this problem, we are asked to evaluate f(x) when x = 6. Therefore, we are in the second case: therefore, the value of the function is 6,

$f(x)=6$

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8 0

3 years ago

Lionfish are considered an invasive species, with an annual growth rate of 67%. A scientist estimates there are 8,000 lionfish i

natita [175]

Answer:

There would be 173,535 lionfish after 6 years.

Step-by-step explanation:

Since lionfish are considered an invasive species, with an annual growth rate of 67%, ya scientist estimates there are 8,000 lionfish in a certain bay after the first year, A) to write the explicit equation for f (n) that represents the number of lionfish in the bay after n years; B) determine how many lionfish will be in the bay after 6 years; and C) if scientists remove 1,200 fish per year from the bay after the first year, determine what is the recursive equation for f (n); the following calculations must be performed:

A)

8000 x 1.67 ^ n = f

B)

8000 x 1.67 ^ 6 = X

8000 x 21.691961596369 = X

173,535.692770952 = X

C)

(8000 - 1200 x 1 ^ n) x 1.67 ^ n = f

Therefore, there would be 173,535 lionfish after 6 years.

5 0

2 years ago

three students had $9.00 total and went to a smack bar where their bill was $6.57. they want to divide up the money that is left