3 years ago

Given the function f(x)=3x-4/5 which of the below expressions is correct?

Mathematics

1 answer:

natta225 [31]3 years ago

4 0

Is it an inverse function

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Points N, P, and R all lie on circle O. Arc PR measures 120°. Circle O is shown. Line segment P N is a diameter that extends out

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I am thinking of a number. If you multiply my number by four, add -4 to the product, and then take 1/3 of the sum, the result is

bogdanovich [222]

Answer:

$x = - \frac{7}{2}$

Step-by-step explanation:

x=unknown number

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3 years ago

Write an equation of a line parrallel to y=-3x+5 that has a y-intercept of 8.

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Answer:

y=-3x+8

Step-by-step explanation:

if u want them to be parallel make the slope the same

(in this case, -3x)

and the y-int at the end is +8

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2 years ago

Find the matrices of the following linear transformations

Sidana [21]

Answer:

The matrixes are in the explanation box.

1. A mapping of (x,y,z) to (x,y,0)

2. Is a mapping of (x,y,z) to (-x,-y,z)

Step-by-step explanation:

We have the orthogonal projection onto the cy-plane to be a mapping of (x,y,z) to (x,y,0). Then we will have a transformation matrix that has the form below.

[1 0 0]

[0 1 0]

[0 0 1]

For the reflection in the z-axis,it is a reflection of (x,y,z) to (-x,-y,z). Our matrix will then have the form below

[-1 0 0]

[0 -1 0]

[0 0 1]

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