Un número es racional sí puede escribirse como una fracción usando dos números enteros, pero nunca el número cero puede estar en el denominador.
De acuerdo a esta información escriba cada número y luego si es un número
racional.
a) 0
−11

b) −3
12

c) −2
1
⁄ d) −23
−1
⁄ e) −3
0

f).
0
0

g) 30
22

h) 1
0
⁄ i) −51

33 ⁄ j)
4
0

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y

Your vet has placed your pet on a diet. the diet is to contain at least 12 mg of fat and at least 14 mg of protein per serving. these requirements are to be obtained from two food sources. source a contains 2 mg of fat and 2 mg of protein per serving. source b contains 1 mg of fat and 3 mg of protein per serving. if source a sells for $1.28 per serving and source b sells for $1.12 per serving, how many servings of each type should be purchased to satisfy the requirements at minimal cost?