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y = 2x² + 5
y - 5 = 2x²
y - 5 = x²
2
1 (y - 5) = x²
2
√{ 1 (y - 5) = x
2
f'(x) = √1 (x - 5)
2
b. g(x) = 2x - 1
6
y = 2x - 1
6
y - 1 = 2x
6
1 (y - 1) = x
2 6
g'(x) = 1 (x - 1)
2 6