f(x)6-9x-x^(2)

Determine the intervals in which the following functions are strictly increasing or strictly decreasing : f(x)=6-9x-2x^(2)

Find the intervals in which the following functions are (a) increasing (b) decreasing : f(x)=4-9x+6x^(2)-x^(3)

if f(x)=9x^(2)+3x-6 the value of f(2) is

If f(x) = 9x^(2) + 5x - 8 , then f(-2) = ?

Consider f:R rarr[-5,oo) given by f(x)=9x^(2)+6x-5. show that f is invertible with f^(-1)(y)=((sqrt(y+6)-1)/(3))

Consider f : R_(+) rarr [-5,oo) given by f(x) = 9x^(2) +6x-5 . Show that f is invertible with f^(-1)(y) = ((sqrt(y+6)-1)/3)