The table represents some points on the graph of linear function, f. Which function represents f?

x -3 2 5 11
f(x) -130 0 78 234

What is the equation in slope intercept form of the line that passes through the points (-4,2) and (12,6) ?

A) y=0.25x+3
B) y=0.25x-4.5
C) y=4x+18
D) y=4x-42

10 Two graphs are shown below. What is the system of equations represented by the?

A) y= x+2
y=2x+1
B) y= -x+2
y=2x-1
C) y= 2x+2
y=x-1
D) y= -2x+2
y=2x-2

) A lake was stocked with 350 trout. Each year, the population decreases by 14. The population of trout in the lake after x years is represented by the function, f(x)=350-14x.Which statement describes the x-intercept?
A) The x-intercept is 25, the initial trout population.
B) The x-intercept is 350, the initial trout population.
C) The x-intercept is 25, the number of years after which the trout population is 0.
D) The x-intercept is 350, the number of years after which the trout population is 0.

19) What is the point of the line -7=1/4(x+9) ?

A) (-7, 9) B) (7, -9)
C) (-9, 7) D) (9, -7)