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Evaluate the function f(x)=x^2-5x+ 5 at the given values of the independent variable and simplify

a. f(9)
b. f(x+7)
c. f(-x)
a. f(9) =
(Simplify your answer.)
b. f(x + 7) =
(Simplify your answer.)
c. f(-x) =
(Simplify your answer.)

Evaluate The Function Fxx25x 5 At The Given Values Of The Independent Variable And Simplify A F9 B Fx7 C Fx A F9 Simplify Your Answer B Fx 7 Simplify Your Answe class=

Sagot :

Step-by-step explanation:

The given function is :

[tex]f(x)=x^2-5x+ 5[/tex]

(a) To find f(9), put x = 9 in the above expression.

[tex]f(9)=9^2-5(9)+ 5=41[/tex]

(b) To find f(x+7), put x = x+7 in the above expression.

[tex]f(x+7)=(x+7)^2-5(x+7)+ 5\\\\=x^2+14x+49-5x-35+5\\\\=x^2+9x+19[/tex]

(c) To find f(-x), put x = -x in the above expression.

[tex]f(-x)=(-x)^2-5(-x)+ 5\\\\=x^2+5x+5[/tex]

Hence, this is the required solution.

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