3. (10 points) true or false? justify your answers. (a) (5 points) there exists a 4 x 3 matrix a of rank 3 such that a1 (b) (5 points) there exists a 3 x 4 matrix a of rank 2 such that

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

d no solution

step-by-step explanation:

2*2=3

two times two is four

i dont understand what you mean so pls comment