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Earn +20 ptsQ: Is y equals 2x2 a function?
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Is y equals 3x plus 1 and -2x2 a function?
No.
How do you write y equals 2xsquared plus 4x-7 in function notation?
f(x) = 2x2 + 4x - 7
How do you write the function y equals 2 parenthese X-1 parenthese squared plus 3 in standard notation?
y = 2(x - 1)2 + 3 y = 2(x - 1)(x - 1) + 3 y = 2(x2 - 2x + 1) + 3 y = 2x2 - 4x + 2 + 3 y = 2x2 - 4x + 5
What are the roots of the quadratic equation y equals 2x2 plus 3x-20?
2x2 + 3x - 20 = (x + 4)(2x - 5).
How do you find maximum or minimum of a function?
y=2x2-3x2-12x+5=0
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