Transformation of Functions: Need help with problem.

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

6 0

It is horizontally stretched by a factor of 0.5.

If the number next to the variable inside the root is a fraction (which it is), it horizontally stretches the parent function.

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(x-4)(3x + 1) Demen respuesta

Sveta_85 [38]

Answer:

3x^2 - 11x - 4

Step-by-step explanation:

( x - 4 ) ( 3x + 1 )

= 3x^2 + x - 12x - 4

= 3x^2 - 11x - 4

Hope this helps :)

6 0

3 years ago

How do i do this idk how to do

marysya [2.9K]

Let's find the perimeter first by adding all the side lengths together. There are two missing side lengths, which we can find by taking the side opposite them and subtract the side behind the missing side from them.

I've attached a diagram showing how to find the side lengths.

Now let's add all the side lengths together: 4 cm + 8 cm + 8 cm + 2 cm + 4 cm + 6 cm = 32 cm

The perimeter of this figure is 32 cm.

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To find the area we can divide this figure into 2 rectangles. On the second attached diagram, I've split the figure into two and labeled the length and width of each rectangle.

Area of a rectangle = length * width

Area of red labeled rectangle = 4 cm * 2 cm = 8 cm²

Area of yellow labeled rectangle = 8 cm * 4 cm = 32 cm²

Add the two areas together: 8 + 32 = 40

The area of the figure is 40 cm².