In f(x)=2x+3, what is f(2)?, 7, 6, 8, 5, What does ⊂ mean in sets?, Not in, Equal to, Subset of, Union with, What does ∅ represent?, Power set, Finite set, Universal set, Empty set, Which set has no elements?, Null set, Universal set, Infinite set, Equal set, If A={1,2,3}, how many subsets does A have?, 3, 8, 9, 6, What is the complement of a set taken from?, Power set, Subset only, Universal set, Empty set, If y varies inversely as x, the equation is?, y = k/x, y = kx, y = kx², y = x + k, Which symbol means intersection?, ∩, ∅, ∪, ⊂, If A={a,b} and B={b,c}, what is A∩B?, {a,c}, {a,b,c}, ∅, {b}, If A={1,2} and B={2,3}, what is A∪B?, {2}, {1,2,2,3}, {1,3}, {1,2,3}, Which set is a subset of {1,2,3}?, {1,3}, {1,5}, {4}, {2,4}, What is the intersection of disjoint sets?, A∪B, A', ∅, U

sets & functions + variation

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