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March 27, 2015

Homework Help: urgent urgent algebra / precalculas

Posted by zachary on Friday, March 22, 2013 at 6:24pm.

For # 1, im getting stuck on this problem i dont understand this

1.4 = e ^ (0.03k)

Now take the natural logarithm of both sides to solve for ,

ln 1.4 = ln e ^ (0.03k)

ln 1.4 = 0.03k * ln e

Recall that ln e = 1.

ln 1.4 = 0.03 k

Solve for k.

Then try part b.

For # 2,

y = 3 + e ^ (4 - x). Swap x and y and then solve for y.

x = 3 + e ^ (4 - y)

x - 3 = e ^ (4 - y)

Now take the natural logarithm of both sides and solve for y.

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