Daria has 18 coins that are all nickels and quarters. the number of nickels is 3 more than twice the number of quarters. if she has $1.90 in all, how many nickels does daria have?

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.