4. The axis of symmetry for the function f(0) = 22 +4.0 – 8 is a = -2. What are the coordinates of the vertex of the graph? a. (-20, -2)
b. (-12, -2)
c. (-2, -20)
d. (-2, -12)

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

answer: y=4000x+14000

step-by-step explanation: