Which of these are functions? 1. The number of species in each sample collected from Waimea Valley to analyze its microbiome.

2. The number of samples associated to a specific specie collected from Waimea Valley to analyze its microbiome.

3. The speed in miles per hour of today's Hawaiian airlines flight 102 to Hilo that many minutes after 5 : 30am today.

4. The world record for the 100m women freestyle that many years after 1980 to 2019.

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Which of the following is true for the relation f(x)=2x^2+1