If a polynomial function f(x) has roots 3 and square root of 7 what must also be a root of f(x)

Write a story that matches with the expression 42x-5 pls hurry

Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5

Identify the number as a rational or irrational. explai. 291.87