(1, 6), (2, 11), (3, 16), (4, 21) which of the following functions best represent the rule that the calculator uses to display the outputs

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

Which graph represents the function f(x)=4[x]?

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?