Which relation is not a function? a. {(10, 3), (7, -1), (9, 2)}
b. {(3, 3), (5, 5), (41, 41)}
c. {(3, 7), (2, 7), (-9, 7)}
d. {(0, 2), (-1, -8), (0, 2)}

3, nah jk it's 2

step-by-step explanation:

it is 3 cause i'm sanic

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

a: 1/6, j: 1/4

step-by-step explanation: you are welcome