"1) Simplify to a single logarithm. State any restrictions on the variable. log (x2 + 2x \u2014 15) \u2014 log (x2 \u2014 7x + 12) 2) A $21 500 investment earns 5.25% interest, compounded quarterly. How long will it take the original investment to double in value?"

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1) Simplify to a single logarithm

Math Feb 20, 2021

1) Simplify to a single logarithm. State any restrictions on the variable.

log (x² + 2x — 15) — log (x² — 7x + 12)

2) A $21 500 investment earns 5.25% interest, compounded quarterly. How long will it take the original investment to double in value?

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