Asked by maria
On this one which you answered for me before, could you do the step by steps so I can learn it better?
Evaluate the function g(x)= √x^2+1 at each specified value of the independent variable, and simplify.
a). g(-1)
b. g(3)
c. g(3x)
thanks, Maria
Evaluate the function g(x)= √x^2+1 at each specified value of the independent variable, and simplify.
a). g(-1)
b. g(3)
c. g(3x)
thanks, Maria
Answers
Answered by
oobleck
g(x)= √(x^2+1)
The x is just a place holder. You can replace it with whatever value you want, as long as every x is replaced
g(-1) = √((-1)^2+1) = √(1+1) = √2
g(3) = √(3^2+1) = √(9+1) = √10
g(3x) = √((3x)^2 +1) = √(9x^2 + 1)
g(2x-3) = √((2x-3)^2 + 1) = √(4x^2-6x+9 + 1) = √(4x^2-6x+10)
and so on
The x is just a place holder. You can replace it with whatever value you want, as long as every x is replaced
g(-1) = √((-1)^2+1) = √(1+1) = √2
g(3) = √(3^2+1) = √(9+1) = √10
g(3x) = √((3x)^2 +1) = √(9x^2 + 1)
g(2x-3) = √((2x-3)^2 + 1) = √(4x^2-6x+9 + 1) = √(4x^2-6x+10)
and so on
Answered by
maria
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