Precalc 12 Basic Functions

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absolute value

absolute value of x

which of the 12 functions are even? (3)

quadratic, absolute value, cosine

which of the functions have vertical asymptotes at y=0

reciprocal exponential logistic

which functions have points of discontinuity?

reciprocal, greatest integer

which of the functions have vertical asymptotes at x=0

reciprocal, natural log

which of the functions has domain the set of all real numbers for their domain?

reciprocal, square root, natural log

one of thr functions has domain the setof all real numbers except zero. which function is it and why isnt zero in the domain?

reciprocal, you cant have zero in the denominator

which of the 12 basic functions are bounded(3)

sine cosine logistic

which function is defined at zero?

square root

which functions have no megative numbers in their domain?

square root, natural log

exponential function

y= e to the x

greatest integer

y= int (x)

square root

y= square root of x

logistic function

y=1/1+e to the neg. x

reciprocal function

y=1/x

cosine function

y=cos x

natural log

y=ln(x)

sine function

y=sin(x)

the identity function

y=x

sqaring function

y=x^2

cubic function

y=x^3


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