what linear function equation can be represented by the set of ordered pairs?
{(−4, −6), (0, −3), (4, 0), (12, 6) }

enter your answer in the box. f(x)=

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

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?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)