Determine if the function is an even function, an odd function or neither. y=-5x^(2)-2x+6
Answer:
By definition we have: A function is even if, for each x in the domain of f, f (- x) = f (x). The even functions have reflective symmetry through the y-axis. A function is odd if, for each x in the domain of f, f (- x) = - f (x). The odd functions have rotational symmetry of 180º with respect to the origin. For y = -5x ^ (2) -2x + 6 we have: f (-x) = - 5 (-x) ^ (2) -2 (-x) +6 f (-x) = - 5x ^ (2) + 2x + 6 Answer: the function is neither
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Y=mx+bm=slopeb=yinttwo pointscost=y(4,5.5) and (7,7.75)slope=(y2-y1)/(x2-x1)slope=(7.75-5.5)/(7-4)=2.25/3=0.75y=0.75x+bfind b(4,5.5)x=4y=5.55.5=0.75(4)+b5.5=3+bminus 3 fromboth sides2.5=by=0.75x+2.53 hoursy=0.75(3)+2.5y=2.25+2.5y=4.75answer is D
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