A
B
C
D
Explanation
Correct answer: D.
Choice D is correct. The value of is found by substituting for in the function . This yields , which can be rewritten as .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect and may result from misinterpreting the equation as instead of .
Choice B
Choice B is incorrect. This is the value of , not .
Choice C
Choice C is incorrect and may result from calculation errors.