1. Let V and W be finite-dimensional vector spaces over field F with dim(V) = n and dim(W) = m, and
let φ : V → W be a linear transformation.
A) If m = n and ker(φ) = (0), what is im(φ)?
B) If ker(φ) = V, what is im(φ)?
C) If φ is surjective, what is im(φ)?
D) If φ is surjective, what is dim(ker(φ))?
E) If m = n and φ is surjective, what is ker(φ)?
F) If m = n and im(φ) = W, what is ker(φ)?
G) If im(φ) = {0}, what is ker(φ)?
H) If φ is injective, what is ker(φ)?
I) If φ is injective, what is dim(im(φ))?
J) If m = n and φ is injective, what is im(φ)?
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