58.15
if f(x) = 5x + 40, what is f(x) when x = -5?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?