If f (x) = 5 x - 25 and g (x) = 1/5 x + 5, which expression could be used to verify g(x) is the inverse of f(x)?

A) 1/5(1/5x + 5) + 5
B) 1/5(5x - 25) + 5
C) 1/(1/5x+5)
D) 5(1/5x + 5) + 5

Question

If f (x) = 5 x - 25 and g (x) = 1/5 x + 5, which expression could be used to verify g(x) is the inverse of f(x)?

A) 1/5(1/5x + 5) + 5
B) 1/5(5x - 25) + 5
C) 1/(1/5x+5)
D) 5(1/5x + 5) + 5

JamesTDG · Answer

Got anything to help back up your point? I kinda want to be capable of reverse-engineering the work for future problems such as this.

Tutorial · Answer

𝙏𝙝𝙚 𝙖𝙣𝙨𝙬𝙚𝙧 𝙞𝙨 𝘽). 𝘽𝙚𝙘𝙖𝙪𝙨𝙚 𝙤𝙛 𝙩𝙝𝙚 𝙞𝙣𝙫𝙚𝙧𝙨𝙚 𝙢𝙚𝙖𝙣𝙨 𝙩𝙤 𝙧𝙚𝙫𝙚𝙧𝙨𝙚 🔄, 𝙖𝙣𝙙 𝙮𝙤𝙪 𝙬𝙖𝙣𝙩 𝙩𝙤 𝙧𝙚𝙫𝙚𝙧𝙨𝙚 🔄 (5𝙭-25) 𝙬𝙞𝙩𝙝 1/5𝙭+5 𝙖𝙣𝙙 𝙩𝙝𝙖𝙩 𝙬𝙞𝙡𝙡 𝙗𝙚 [1/5(5𝙭-25)+5]

Tutorial · Answer

But next time dont give a direct answer ok @brianagatica14

brianagatica14 · Answer

I think that according to the steps on finding an inverse . There are 4 steps in finding the inverse. Let me know if you want me to explain them to you.

brianagatica14 · Answer

@tutorial wrote:

But next time dont give a direct answer ok @brianagatica14

yes I am sorry about that I tried to give the person the answer fast cause it might be a test he/she could be timed for, you know? But yeah next time i'll try not to give the direct answer.