If-1 is a root of f(x), which of the following must be true?
A factor of f(x) is (x - 1).
O A factor of f(x) is (x + 1).
Both (x - 1) and (x + 1) are factors of f(x).
Neither (x - 1) nor (x + 1) is a factor of f(x).

Chose the graph below that represents the following system of inequality’s

What are the sotions to the quadratic equation 9x^2=4

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.