What does the symbol mean between a and b?

➷ It means 'AND.' If this is in references to a list or a Venn diagram, it would be the values in both A and B.

➶ Hope This Helps You!

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see explanation

Step-by-step explanation:

A ∩ B denotes the intersection of the 2 sets A and B and is the set of elements which are members of A and also members of B.

This new set is written A ∩ B ( A intersection B ), for example

If A = { p, q, r, s } and B = { r, s, t }, then

A ∩ B = { r, s }

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph