f(x)'=5(x − 1)(x + 1)( + 1)

f(x)''=?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3