![fg(x)--- 4(x^2+3)-1\\2gf(x)--- 2[(4x-1)^2+3]\\\\](/tpl/images/0622/7286/578d6.png)
![4(x^2+3)-1= 2[(4x-1)^2+3]](/tpl/images/0622/7286/f70e7.png)
f(x)=4x-1 and g(x)=x²+3
a) find f^-1 (x)
Mathematics, 23.04.2020 23:39 putaprincess16
The functions f and g are such that
f(x)=4x-1 and g(x)=x²+3
a) find f^-1 (x)
b) if we are told that fg(x) = 2gf(x) we can show that
ax²-bx-3=0
where a and b are integers.
work out the value of a and the value of b.
Answers: 2
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The functions f and g are such that
f(x)=4x-1 and g(x)=x²+3
a) find f^-1 (x)
f(x)=4x-1 and g(x)=x²+3
a) find f^-1 (x)
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