Question

The function () = 2 + 4 was replaced with ( + ) resulting in the function
() = 2 + 22. What is the value of ?

Answer 1

Let's evaluate explicitly $f(x+k)$:

$f(x)=2x+4\iff f(x+k)=2(x+k)+4=2x+2k+4$

If this must equal $2x+22$, we have

$2x+2k+4=2x+22 \iff 2k+4=22 \iff 2k=18 \iff k=9$

Answer 2

Answer:

For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?

Step-by-step explanation:

For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?