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Mathematics 9 Online
OpenStudy (anonymous):

I need help :o

OpenStudy (anonymous):

OpenStudy (anonymous):

attached it

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

\[g(x)=5^x-10\] \[f(x)=3x+2\] \[g(x)-f(x)=5^x-10-(3x+2)=5^x-10-3x-2=5^x-3x-12\]

OpenStudy (anonymous):

:o im not sure what that would be.. @ mertsj would it be 1.a?

OpenStudy (mertsj):

What is 1 a?

OpenStudy (anonymous):

number 1 would be a?

OpenStudy (mertsj):

What is answer choice 1 a?

OpenStudy (anonymous):

Given the parent functions f(x)= 3x+2 and g(x)=5x-10, what is g(x)-f(x) g(x)-f(x)=5^x-8-3x g(x)-f(x)= 5^x-12-3x g(x)-f(x)=3x-8-5^x g(x)-f(x)=3x+12-5^x

OpenStudy (anonymous):

im confused im not sure what the answer would be.. i dont know how to do this and i need help till i can schedule tutoring on monday..

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

I don't know what to do to help you. I worked the problem for you. I posted the exact answer. I don't know how to help you match my answer up with the answers you posted.

OpenStudy (anonymous):

how about this one? given the parent functions f(x)=log3 (5x-5) and g(x)= loge3 (x-1) what is f(x)-g(x)

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

Write down log3(5x-5) and put a - sign after it. Then write log3(x-1)

OpenStudy (mertsj):

Which answer did you choose for number 1?

OpenStudy (anonymous):

i chose b

OpenStudy (mertsj):

Good for you.

OpenStudy (anonymous):

am i right?

OpenStudy (mertsj):

yes

OpenStudy (anonymous):

Write down log3(5x-5) and put a - sign after it. Then write log3(x-1) so log3(5x-5)-log3(x-1)

OpenStudy (mertsj):

Now use this law of logs:

OpenStudy (anonymous):

the log function always confuses me :/ idk how to really v.v

OpenStudy (mertsj):

Now use this law of logs: \[\log_{b}m-\log_{b}n=\log_{b}\frac{m}{n} \]

OpenStudy (anonymous):

so confused :( log is so confusing can you show me step by step?

OpenStudy (mertsj):

|dw:1394239961562:dw|

OpenStudy (mertsj):

What corresponds to "m" in your problem?

OpenStudy (anonymous):

the 5x?

OpenStudy (mertsj):

|dw:1394240190228:dw|

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