2 years ago

I am really confused and need help.

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

4 0

Answer:

The 3rd, 4th, and 6th are correct but I'm not sure if the second would be correct as well.

Step-by-step explanation:

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2 years ago

Help me out please and thank you very much :)

ValentinkaMS [17]

Answer:

3rd

Step-by-step explanation:

The definition of an inverse function is that h(f(x)) = x

Therefore, all we need to do is to plug x + 3 into your option choices to find which one returns x.

Therefore, the third option gives you:

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3 years ago

Will mark Brainliest!!!!! Suppose A, R, and B are collinear on AB, and

SSSSS [86.1K]

Answer:

$R(x,y) = (\frac{7}{4},\frac{1}{4})$

Step-by-step explanation:

Given

$A = (1,-1)$

$B = (4,4)$

$AR:AB = 1:4$

Required

Determine R

This question will be solved using line ratio formula

$R(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2+ny_1}{m + n})$

Where

$A = (1,-1)$

$B = (4,4)$

$m:n = AR : RB$

Since R is on A and B;

$AB = AR + RB$

$4 = 1 + RB$

$RB = 3$

Hence;

$m:n = 1 : 3$

$A = (1,-1)$

$B = (4,4)$

$R(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2+ny_1}{m + n})$ becomes

$R(x,y) = (\frac{1 * 4 + 3 * 1}{1+3},\frac{1 * 4 + 3 * -1}{1 + 3})$

$R(x,y) = (\frac{4 + 3}{4},\frac{4 - 3}{4})$

$R(x,y) = (\frac{7}{4},\frac{1}{4})$

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3 years ago