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Mathematics 10 Online
OpenStudy (jenniferjuice):

PLEASE ❉ HELP http://assets.openstudy.com/updates/attachments/53a1a5ebe4b04b6404571e11-jenniferjuice-1403103175986-zxc.png Given that f(x) = x2 − 3x + 3 and g(x) = the quantity of x minus one, over four, solve for f(g(x)) when x = 5. −3 1 7 13

OpenStudy (jenniferjuice):

@jigglypuff314 please help?

jigglypuff314 (jigglypuff314):

are these two separate questions?

jigglypuff314 (jigglypuff314):

for the one in the picture http://assets.openstudy.com/updates/attachments/53a1a5ebe4b04b6404571e11-jenniferjuice-1403103175986-zxc.png it wants you to find the inverse of the given function to find the inverse you would flip the x and y variables so x = (3y-4)/5 solve for y now

OpenStudy (jenniferjuice):

is the answer 1 ?

jigglypuff314 (jigglypuff314):

you mean option 1?

OpenStudy (jenniferjuice):

yess :) sorry

jigglypuff314 (jigglypuff314):

option 1 for the picture is correct :)

OpenStudy (jenniferjuice):

thank you :)

OpenStudy (jenniferjuice):

i have one more question !

OpenStudy (jenniferjuice):

this one :/ i dont understand it

jigglypuff314 (jigglypuff314):

to find the inverse flip the x and y variables so x = y^2 - 9 solve for y

jigglypuff314 (jigglypuff314):

hint: add 9 to both sides then square root both sides

OpenStudy (jenniferjuice):

x+9/ y^2 = y^2/y^2

jigglypuff314 (jigglypuff314):

not quite :) y^2 = x+9 then square root both sides square rooting y^2 gives y

OpenStudy (jenniferjuice):

y= x +9 ?

jigglypuff314 (jigglypuff314):

square root (x+9) right?

OpenStudy (jenniferjuice):

so y = (x+9)^2

jigglypuff314 (jigglypuff314):

.-. square root (x+9)

OpenStudy (jenniferjuice):

x^2/9 ?

jigglypuff314 (jigglypuff314):

"square root" looks like √ I am saying "square root (x+9)"

OpenStudy (jenniferjuice):

oh sorrry !!!! okay so its a?

jigglypuff314 (jigglypuff314):

yes

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