Given the function f(x) = x2 and k = –1, which of the following represents a function opening downward?
a. f(x) + k
b. kf(x)
c. f(x + k)
d. f(kx)

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?