Which word is the past tense of an irregular verb

What is the purpose of the cc option in an email? a. create a carbon copy of the message. b. save the message as a template for future use. c. send a copy of the message to one or more people. d. send a message to multiple recipients.

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Which of these is a consistent periodic pulse separated into equivalent intervals of time?