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Juli2301 [7.4K]
3 years ago
13

The function f(x) = x2 + 22x + 58 is translated 4 units to the right and 16 units up. What is the vertex form of the new functio

n?
Mathematics
2 answers:
xz_007 [3.2K]3 years ago
6 0
The answer to this equation is C.
C. (x + 7)2<span> – 47</span>
emmainna [20.7K]3 years ago
5 0

Answer:

The new function is f(x)=(x+7)^2-47.

Step-by-step explanation:

The given function is

f(x)=x^2+22x+58

f(x)=(x^2+22x)+58

To find the vertex from add and subtract (-\frac{b}{2a})^2 in the parenthesis.

(-\frac{b}{2a})^2=(-\frac{22}{2(1)})^2=11^2

f(x)=(x^2+22x+11^2-11^2)+58

f(x)=(x^2+22x+11^2)-121+58

f(x)=(x+11)^2-63              [\because (a+b)^2=a^2+2ab+b^2]

The vertex of the given function is (-11,-63).

It is given that the function f(x) is translated 4 units to the right and 16 units up.

(x,y)\rightarrow (x+4,y+16)

(-11,-63)\rightarrow (-11+4,-63+16)=(-7,-47)

The vertex of new function is (-7.-47). So the new function is

f(x)=(x+7)^2-47

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