What kind of function is being illustrated by f(x)= 2x3-3x +5

When looking at research about instructional strategies, make sure the research is a. from peer-reviewed studies. b. approved by state and federal government organizations. c. online and easily accessible. d. about the same topic you're interested in.

Use the rule of 72 to calculate how long it will take for your money to double if its earning 6% in interest. a. 12yrs b. 16yrs c. 36yrs d. 72yrs

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false