Vecor Spaces and Linear Combinations

Let V be the space of all functions from R to R. It was stated in the discussion session that this is a vector space over R

Let F be a field, V a vector space over F, and v1,...,vk vectors in V. Prove that the set Span({v1, ..., vk}) is closed under scalar multiplication.

1. Label the following statements as true or false

a) The zero vector is a linear combination of any nonempty set of vectors
b) If S is a subset of a vector space V, then span (S) equals the intersection of all subspaces of V that contain S..

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