Clear and write the following functions depending on x. Now, graph and identify the solutions of the equations:
a) 1/6x ² + 1 / x = 1
b) 4 - x = x +2 / x - 2
c) 7 x ² = 8x - 2
Determine graphically the solutions the following quadratic functions:
a) f (x) = 2x ² + 8x -5
b) g (x) = X ² + 4
c) h (x) = - x ² - 6x
d) k (x) = 3x ² + 1
e) f (x) = 3x ² + 9x + 1
f) f (x) = (1 / 4) x ² + 8x + 3
g) g (x) = 2x ² - 8x
h) h (x) = - 5x ² - 2
i) f (x) = x ² - 2x - 3
j) h (x ) = (1 / 2) x ² - 6x
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