I found the answer in the back of my book, But I just can't figure ut how they got that answer. The answer is at the bottem, but could you please help me figure out how to do this?
Note: ____ is just empty space
also ≥ is Greater than or equal to.
Evaluate the function for the given value of x.
(Help with # 13)
______( 5x-1,____if x< -2___________13. f(-4)
__f(x) ={
______( x-9,_____if x≥-2___________14. ...
________________________________15. ...
Answer: to #13
-21
2006-10-11 19:43:04 · 3 answers · asked by clueless 2 in Science & Mathematics ➔ Mathematics
I understand piece-wise functions, but I can't help you with a problem that I can't read. I can't make any sense of what you've typed!
2006-10-11 19:47:36 · answer #1 · answered by A W 4 · 0⤊ 0⤋
picewise function are a couple of functions each defined on a separate interval.
for x <= 0 : take function 1, for x>0 take function 2
2006-10-11 20:11:59 · answer #2 · answered by gjmb1960 7 · 0⤊ 0⤋
5x-1 plug in -4 forx
5(-4)-1=-20-1=-21
2006-10-11 19:52:09 · answer #3 · answered by raj 7 · 0⤊ 0⤋