Answer:
Let the present age of the man be x years.
Age of the man 15 years ago =(x−15) years and
Age of the man 15 years later =(x+15) years
According to the given condition, we have
(x+15)=2(x−15)
⇒x+15=2x−30
⇒x−2x=−30−15
⇒−x=−45 or x=45 years
Hence, the present age of the man is 45 years.
Step-by-step explanation:
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Answer:
The slope of the line is undefined
Step-by-step explanation:
The given line is a vertical line.
The slope of any vertical line is undefined.
Let us see why by using the slope formula:
We substitute the coordinates of the points to obtain:
This is not defined.
That x+2 indicates a translation of the graph 2 units to the left.
That -1 translates the parent function down by 1 unit.
The (1/2) at the beginning of f(x) indicates vertical compression.
Ignore (C): no stretching here.
