¿Qué valores de K, es la gráfica: f(x) = x2 + 4x – K; para qué x1 = x2?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

What is the area of the triangle 10 13 12

Find the area of a parallelogram with base 15 yards and height 21 2/3