Use the functions a(x) = 5x + 11 and b(x) = 4x − 3 to complete the function operations listed below. part a: find (a + b)(x). part b: find (a - b)(x). part c: find (a ⋅ b)(x). show your work.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)