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vera_ewing
 one year ago
Math question
vera_ewing
 one year ago
Math question

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vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Pretty sure this one is either a or b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Why do you think it's A or B?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0I used desmos to graph the functions, and A and B looked closest. I jus can't tell which one.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0OK. But we have to actually work things out and not go by the looks of a desmos graph. (the choice of scale can distort things)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0For example, one of the points on the given graph is (2, 1). See it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0OK. Try substituting x=2 into the given functions and see which ones return 1 for f(x).

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Not quite\[f(x) = 22 = 4 = 4\]

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Oh wait D does right?

carolinar7
 one year ago
Best ResponseYou've already chosen the best response.0oH WAIT I THINK IT IS

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That's right. Well done. Desmos can be a help, but you mustn't rely on it entirely.

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0So the answer is D?

carolinar7
 one year ago
Best ResponseYou've already chosen the best response.0Yes because the 1/2 does the recipical, so x2 and multiplies the value of x by 2
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