Discover Questions

For what values of k is the following integral improper? upper bound is k, lower bound is 0. (x)/(x^2-19x+90)dx? What is the surface area of a cylinder with holes in the side? If x-1, x+2, and x+4 are factors of a polynomial p(x), which of the following must be equal to 0?
A) p(-2)
B) p(-1)
C) p(2)
D) p(4)? How and why did we evolve to have quick wit and humor? The function f is f(x)= (x+4)(x-a), the graph of f is a parabola , a is const. The x coord. is b/w 1 and 3, which is a?
A. -2
B. 1
C. 5
D. 9?