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Geometry
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OpenStudy (anonymous):
Help with maths?
If f(x) = 4x - 3 and g(x) = 2x + 2, find the value of:
a. f(-1)
b. g(0)
c. f(2)
d. f^-1(x)
e. fg(x)
f. gf(x)
g. If f(x) = 5, find x
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OpenStudy (anonymous):
ok lets break it down. Are you ready?
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
wait, are A-G possible answers or are those the questions?
OpenStudy (anonymous):
They are the questions I have to solve
OpenStudy (anonymous):
ok Lets do one. Pick with one you want me to help you with.
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OpenStudy (anonymous):
E
OpenStudy (anonymous):
@mathmale Let me get his help he is better at this then me.
OpenStudy (anonymous):
Okay
OpenStudy (anonymous):
Lets do A first
OpenStudy (anonymous):
Okay sure
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OpenStudy (anonymous):
oh...im sorry I can't do thease for you I don't understand it, please make a new question so others can help you :( sorry again :'(
OpenStudy (anonymous):
No problem
OpenStudy (gorv):
okkk listen
OpenStudy (gorv):
f(-1) means we put x=-1 in f(x)
so in the function replace x by -1
OpenStudy (gorv):
for f(-1)
f(-1)=4*(-1)-3=-4-3=-7
similarly do b and c thn i will tell the next
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OpenStudy (anonymous):
I've done b and c
OpenStudy (anonymous):
d, e and f is my problem
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