Y varies directly as x. y = 72 when x = 6. Find y when x= 13.
y=
(Simplify your answer.)

156

Step-by-step explanation:

y = 72           x = 6

72/6 = 12

when x = 13

13 x 12 = 156

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-Chetan K

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!