Precalc 12 Basic Functions
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