Approximate the real number solutions to the polynomial function f(x)=-3x^4-x^3+3x^2+x+3. PLEASE HELP FAST

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 value of the expression below? 148+(-6)| + |– 35= 7|

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x