Y=2x^3 is nonlinear, since it's a cube equation. y=x+5 is linear, because it's a line with y intercept (0,-5) and slope 1. y=\sqrt(x-5) is nonlinear, because it's a quadratic equation when reversing x and y. 5x+5y=25 is equal to x+y=5 ot y=-x+5, which is also linear. y=x^2/2 is a quadratic equation, so it's nonlinear.
23 is a whole number 75 is the numerator and use 100 as the denominator since 75 is in the 100nths place.
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2nd option is the correct one
Answer:
pretty boring, I'm kind of tired to be honest. What ab you?
thanks for the points though
