breadysetgo

4 Questions
2 Answers

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Function problems :)

the function f(x) = (cx)/(4x - 5) satisfies f(f(x))=x for all real numbers x not equal 5/4. find c.
If you have any idea how to do this, please answer! I appreciate it :)

breadysetgo Jan 15, 2024

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35

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Inverse Functions!

Any help is appreciated! I tried finding the inverse but I don't know the next step. Can someone please help, thanks!! Let f(x)=3x-4 and g(x)=5x+c . Find c if f(g(x) and g(f(x) for all x. read more ..

ElectricPavlov ●●

breadysetgo Jan 12, 2024

+1

35

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+19

Any help is appreciated :)

Let x and y be nonnegative real numbers. If x y=2/5, then find the minimum value of 6x+(3/5)y. Any help is greatly appreciated! Thanks :)

breadysetgo Jan 12, 2024

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47

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Help with an inequality

Any help is appreciated :) I don't know how to start this problem!
For an integer y, the inequality x^2+yx+36<0 has no real solutions in x. Find the number of different possible values of y.

breadysetgo Dec 11, 2023

+19

+1

Yes, your assumption was right, im sorry for the confusion! Thanks for your help.

breadysetgoJan 12, 2024