Which is the function represented by the table?

a. f(x)=-2x+1
b. f(x)=x-2
c. f(x)=x+4
d. f(x)=3x

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?