range of tan πx help?
the range of the function y = tan πx is absolute value of y is greater than or equal to A. the value of a is:
a) 0
b) 2
c) - infinity
d) infinity
e) none of these
alright i'm pretty sure i know what the graph looks like with vertical asymptotes and such. but i don't understand to terminology and the absolute value thing is a little confusing. can someone please explain?
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The range of tan(x) is from -∞ to ∞
The π doesn't affect the range, so it's still -∞ to ∞
Now described {y : -∞ < y < ∞}
in your terms |y| >= ?
The answer is a |y| >= 0 is the same as saying {y : -∞ < y < ∞},