3 years ago

Solve 15 = 4(1.6)^x by graphing. Round to nearest hundredth.

Mathematics

1 answer:

Softa [21]3 years ago

6 0

Answer:

2.81

Step-by-step explanation:

$4*1.6^x=15\\\\1.6^x=\dfrac{15}{4} \\\\x*ln (1.6)=ln (3.75)\\\\x=\dfrac{ln(3.75)}{ln(1.6)} \\\\x=2.81222475...\approx{2.81}$

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