If x and y vary inversely and x = -9 when y=-30, what is the constant of variation?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale