Let f(x)=3x2−5x+13 and g(x)=2x−7 . what is g(f(x)) ?
a 6x2−10x+19 b 3x2−3x+6 c 12x2−89x+160 d 6x3−31x2+61x−91

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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→∞.