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3 years ago

Given the function f(x) = 4x², which formula represents a formula that is shifted up by 3

Mathematics

1 answer:

Fiesta28 [93]3 years ago

5 0

Answer:

$f(x) = 4 {x}^{2} + 3$

Step-by-step explanation:

The reason why it is +3 it is because a vertical shift took place which alters the y-interception to be +3 not 0 anymore, making the new formula be the one I've written up there.

Hope this makes sense

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chubhunter [2.5K]

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3 years ago

Four brothers each bought two hotdogs and a bag of chips at the concession stand.if the bag of chips was $1.25,and the total was

ahrayia [7]

Answer:

$1.65

Step-by-step explanation:

The total purchase can be described by ...

4(2h +1.25) = 18.20 . . . . where h is the price of a hot dog

8h = 13.20 . . . . . . . . . . . subtract 5.00

h = 1.65 . . . . . divide by 8

The price of a hot dog was $1.65.

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3 years ago

The difference between the roots of the quadratic equation x2+x+c=0 is 6. Find c.

NemiM [27]

We have that
$x_{1} - x_{2} = 6$
Let y be the first root, then y - 6 will be the second one. Since both roots make the quadratic equation equal to 0, we have that:
$y^{2} + y + c = (y - 6)^{2} + (y - 6) +c$
Solve for y:
$y^{2} +y +c = y^{2} - 12y + 36 + y - 6 +c \\ y + 12y - y = 30 \\ y = \frac{5}{2}$
Plug in y = 5/2 into original quadratic equation and solve for c:
$( \frac{5}{2}) ^{2} + \frac{5}{2} +c = 0 \\ c= - \frac{5}{2} - \frac{25}{4} \\ c = - \frac{35}{4}$
So, the answer is c = -35/4

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4 years ago

Inequality on a graph

Reil [10]

Answer:

the last one

Step-by-step explanation:

8 0

3 years ago

It is impossible to create a square pyramid by rotating a shape about an axis because its base is not ________.

natta225 [31]

It is impossible because it's base is not circular. A solid of revolution is obtained by rotating a plane curve around some straight line, that is, the axis of revolution that lies on the same plane. The closest to a square pyramid applying this concept is by rotating a right triangle around the opposite or adjacent side (the axis), but the shape that you get is a straight circular cone.

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3 years ago