Please help asap 25 pts
2 answers:
First
Better than solving it, I'll put a graph at the bottom of this answer. First of all it is an absolute value graph.
Remark
All members of that family are shaped like a v with both arms symmetrical about the vertex.
Second
You use the same rule for determining the vertex with an absolute value graph that you would use for a quadratic graph.
if the graph is of the form
y= abs(x + a) Then if a > 0 then the graph moves to the left (contrary to what you might think)
If a < 0 then the graph moves right again contrary to what you might think.
If a = 0 then the graph is on the same line as 0,0 depending on what else is with the absolute value formula.
Answer D <<<<<
Better than solving it, I'll put a graph at the bottom of this answer. First of all it is an absolute value graph.
Remark
All members of that family are shaped like a v with both arms symmetrical about the vertex.
Second
You use the same rule for determining the vertex with an absolute value graph that you would use for a quadratic graph.
if the graph is of the form
y= abs(x + a) Then if a > 0 then the graph moves to the left (contrary to what you might think)
If a < 0 then the graph moves right again contrary to what you might think.
If a = 0 then the graph is on the same line as 0,0 depending on what else is with the absolute value formula.
Answer D <<<<<
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Answer:
A president, a vice president, and a secretary can be selected in 60 ways.
Step-by-step explanation:
The order in which the people are chosen is important(first president, second vice president and third secretary), which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
In this question:
3 students from a set of 5, so:
A president, a vice president, and a secretary can be selected in 60 ways.