f(n)=-4(0.5)n-1

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Solution for f(n)=-4(0.5)n-1 equation: 


Simplifying
f(n) = -4(0.5) * n + -1

Multiply f * n
fn = -4(0.5) * n + -1

Multiply -4 * 0.5
fn = -2n + -1

Reorder the terms:
fn = -1 + -2n

Solving
fn = -1 + -2n

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'n'.
f = -1n-1 + -2

Simplifying
f = -1n-1 + -2

Reorder the terms:
f = -2 + -1n-1

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