Mathematics
18.07.2022 01:10
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Let f(x) = x/(x-6). find a function y=g(x) so that (f o g)(x)=2x.
Let f(x) = x/(x-6). find a function y=g(x) so that (f o g)(x)=2x.
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ndndndjdjdjdn
4,7(92 marks)
Solve as a simultaneous equation maybe?
f(x) + g(x) = 2x or x/(x-6) + y =2x
and then solve so it becomes 2x^2 + 5x =y
then factorise into brackets or use quadratic formula
f(x) + g(x) = 2x or x/(x-6) + y =2x
and then solve so it becomes 2x^2 + 5x =y
then factorise into brackets or use quadratic formula
InfinityVicky
4,8(78 marks)
39 square feet
Step-by-step explanation:
Area of square in the center:
3ft x 3ft = 9ft
Area of all four triangles:
3 x 5 then divide by 2 = 7.5
The 7.5 is the area of one triangle, so you need to multiply by 4 to get the surface area of all four triangles
7.5 x 4 = 30
Then add the 30 and 9 together to get the total surface area.
Which is 39 square feet
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