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the coefficient of x would have to be negative in order for the function to open downward
Figured I'd come here but sleepyhead seems to be ding quite well
since "k" is a negative number I would assume that they would like for us to multiply "x" with "k" somehow
i was thinking it'd be B or D?
D means that you would replace "kx" into the equation for "x" that would get you f(kx) = (-1x)^2 ^^ since this is squared, it would come out as a Positive so that cannot be right
i don't know what it would be...
since it cannot be D then your other guess may be correct ;)
would it be k(fx)
although the formatting is a bit confusing .-.
k = -1 f(x) = x^2 then k(fx) = -x^2
so it would be B??:-)
I think it is B
yes as sleepyhead said the formatting is weird
thank you both! I will have one more question up and then done!
Okay, I'll stay here