△FGH ≅ △CDE

△WXV ≅ △CDE

△WXV ≅ △FHG

△FHG ≅ △CDE

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

the answer is c)8

step-by-step explanaction:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value