Select all that apply.
2 answers:
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The graph of 
is shown in the graph below.
The graph is of ∩-shape when the constant
of the quadratic equation 
is negative
The graph is of ∩-shape when the constant
We need slope of all lines ?
- J(-5,-1)
- K(0,1)
- L(2,-5)
Slope of JK:-
Slope of KL:-
Slope of JL
Answer:
And replacing we got:
And we can calculate this probabilit using the normal standard distribution or excel and we got:
Step-by-step explanation:
If we define the random variable of interest "the amount spent by a family of four of food per month" and we know the following parameter:
And we want to find the following probability:
And we can use the z score formula given by:
And replacing we got:
And we can calculate this probabilit using the normal standard distribution or excel and we got: