Qualification > Math

math doubts [NEW]

<< < (12/29) > >>

simba:
guyz i need help........

Q: f(x): 3-2sinx , for 0<x<360   (its greater than or equal & less than or equal)

find the range of f

slvri:

--- Quote from: simba on October 13, 2009, 11:52:01 am ---guyz i need help........

Q: f(x): 3-2sinx , for 0<x<360   (its greater than or equal & less than or equal)

find the range of f


--- End quote ---
ok..........u know that the sine function is always between -1 and 1 (max 1 and min -1). so when sinx=1, f(x)3-2sinx=3-2(1)=3-2=1(min)
and when sinx=-1, f(x)=3-2(-1)=3+2=5(max)
so 1<=f(x)<=5

simba:
Thanks

simba:
i gt a question bt nt abt fuctions.............in june 06 .....num.3 ..how do i get the rate in decimal rather than the percentage ????

slvri:

--- Quote from: simba on October 13, 2009, 05:27:17 pm ---i gt a question bt nt abt fuctions.............in june 06 .....num.3 ..how do i get the rate in decimal rather than the percentage ????

--- End quote ---
um can u post the question here?

Navigation

[0] Message Index

[#] Next page

[*] Previous page