Question

If F(x)=-2x^(2)+18, then the range of y=4sqtF(X) is ??

Answer 1

@SolomonZelman

Answer 2

I gtg, sorry, but it is 10:30pm my time zone. BYE !!!!
@AravindG maybe ?

Answer 3

sure

Answer 4

First of all square root domain is [0,infinity).

So find the values of x for which -2x^(2)+18>0 That will be the answer.

Answer 5

so -3 and +3?

Answer 6

Yep so for all numbers between -3 and +3 is the domain.

Answer 7

so how do find the range ?

Answer 8

plug in -3 and +3 the values of f(x) gives u lower limit and upper limit of range

Answer 9

so then is it