The functions f(x) and g(x) are described using the following equation and table: f(x)=-4(1.09) x g(x) -4 -10 -2 -7 0 -4 2 1 Which equation best compares the y intercept of f(x) and g(x)? The y-intercept of f(x) is equal to the y-intercept of g(x) The y-intercept of f(x) is equal to 2 times the y-intercept of g(x) The y-intercept of g(x) is equal to 2 times the y-intercept of f(x) The y-intercept of g(x) is equal to 2 times plus the y-intercept of f(x)

Ok here we go ..there are plenty of ways to solve such math problems but we will go for the smartest and easiest ..5x+2y=7  -2x+6y=9we rearrange them into the following ..by multiplying the 1st equation by 2 it becomes 10x + 4y = 14we rearrange it and so it becomes 10x = 14 - 4yas for the second equation we multiply it by 5 and rearrange it so it becomes as to the following ..-10x + 30y = 45rearranging so 10x = 30y -45now 10x equals both 14 - 4y and 30y -45so   14 - 4y = 30y -4531 = 26yy= 31/26 = 1.19 or around 1.2so by now we can calculate x easily as  -2x+6y=9so 2x = 6y -9 = 6 * 31/26 - 9 = -1.84  then x = - 0.92 or around -0.9best luck!

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