OpenStudy (adi3):

Will medal Please help suppose f(x) = 3x+1 and g(x) = x^2+2x. Find x such that f(g(x)) = 10

2 years ago
OpenStudy (adi3):

@AaronAndyson

2 years ago
OpenStudy (welshfella):

to find f(g(x)) replace the x in f(x) with x^2 + 2x and simplify

2 years ago
OpenStudy (welshfella):

then solve for x

2 years ago
OpenStudy (welshfella):

f(g(x)) = 3(2x^2 + 2x) + 1

2 years ago
OpenStudy (adi3):

so is that the answer

2 years ago
OpenStudy (adi3):

@welshfella

2 years ago
OpenStudy (welshfella):

No you need to simplify it then equate it to 10 and solve for x

2 years ago
OpenStudy (adi3):

ohhi get it thnxs

2 years ago