Write an expression that represents the given statements (use N to represent “a number”): a) Two times a number plus three

b) Four less than a number

c) A number minus 5, then multiplied by 6

Which is f(5) for the function –2x2 + 2x - 3?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?