Which statements are true? Check all that apply.

Mathematics

2 answers:

Zina [86]4 years ago

5 0

Answer:

Answer: A,B, and E

Step-by-step explanation:

arlik [135]4 years ago

4 0

Answer:

Step-by-step explanation:

Answer A B and E

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Find the inverse of the rational function F(x)= 2x/x+3, x≠-3

timama [110]

as you already know, to get the inverse of any expression we start off by doing a quick switcheroo on the variables and then solving for "y", let's do so.

$\stackrel{f(x)}{y}~~ = ~~\cfrac{2x}{x+3}\implies \stackrel{\textit{quick switcheroo}}{x~~ = ~~\cfrac{2y}{y+3}}\implies xy+3x=2y\implies xy-2y+3x=0 \\\\\\ xy-2y=-3x\implies \stackrel{\textit{common factoring}}{y(x-2)=-3x}\implies y=\cfrac{-3x}{x-2}\implies \stackrel{f^{-1}(x)}{y}=\cfrac{3x}{2-x}$

3 0

2 years ago

In a class of 24 students, 7 students have 2 brothers or sisters. 4 students have 1 brother or sister. 3 students do not have an

Elanso [62]

Answer:

Samdy's statement is FALSE, total number of brothers and sisters is 52

Step-by-step explanation:

To organize our information we should draw a table, where group the students by how many siblings they have, and then calculate the total number of siblings.