3 years ago

What is the effect on the graph of the function f(x) =x when f(x) is replaced with f(-x)

Mathematics

1 answer:

Anika [276]3 years ago

8 0

Answer:

The graph would be negative

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Rectangular table is two times as long as it is wide. if the area is 18 ft^2, find the length and the width of the table

iren [92.7K]

Width = x then length = 2x

2x * x = 18
x^2 = 18/2 = 9
x = 3

So the width = 3 feet and the length = 6 feet.

3 0

3 years ago

A lighthouse beacon can be seen 17mi in all directions. To the nearest square mile, what is the area over which the beacon can b

Alchen [17]

Imagine this as a circle. The circle will have a radius of 17mi and the lighthouse will be in the middle. The area of the circle will be the area over which the beacon can be seen.

$A=\pi r^{2}$ is the equation for the area of the circle where A is the area.

Now we simply plug in our information

A= $\pi (17)^{2}$
A=907.9 $mi^{2}$