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29.01.2020 •
Mathematics
If f(x) = x2, which of the following describes the graph of f(x - 1)?
the graph of f(x - 1) is a horizontal shift of f(x) = x2 one unit to the right.
the graph of f(x - 1) is a vertical shift of f(x) = x2 one unit down.
the graph of f(x - 1) is a vertical shift of f(x) = x2 one unit up.
the graph of f(x - 1) is a horizontal shift of f(x) = x2 one unit to the left.
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Ответ:
Ответ:
The correct answer is:
The graph of f(x - 1) is a horizontal shift of f(x) = x^2 one unit to the right.
Step-by-step explanation:We are given a parent function f(x) as:
Now we have to find what is the behavior of the graph of the transformed function:
Now we know that the transformation of the type:
If a>0 then the shift is to the left by 'a' units.
and if a<0 then the shift of he function is to the right by 'a' units.
Hence, here f(x-1) is a shift of the function f(x) to the right by '1' unit.
Ответ:
PA = ST, PB = SU, AB = TU ⇒ ∠P = ∠Q
Step-by-step explanation:
Point S is drawn to mimic point P.
The length of PA is measured and copied to point S so PA = ST.
The length of PB is measured and copied to point U so PB = SU.
Now we know that AB = SU.
Since all of the sides are congruent (if we were to draw a triangle), we can state that the triangles are congruent by Side-Side-Side Congruency Theorem. Thus, ∠P ≡ ∠S by CPCTC Theorem.