Must a function that is decreasing over a given interval
always be negative over that same interval? explain.

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

Interpret the following expression (5y^2-7)^3/(2y)^2

Find the solution on the interval [0, 2pi)