Matrix! rref!
matrices and row operations

transform this matrix to reduced row echelon form:

[2 -1. -4 | 7]
|0 -30 20 | -50|
[0 0 44 | -44]

nvm. i got it

result:
[1 0 0 | 2]
|0 1 0 | 1|
[0 0 1 | -1]

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

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