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Home Q & A Board Science-Related Homework Help Mathematics
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angelikajalyn angelikajalyn
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8 years ago
1.) A box that measures 1m by 2m by 3m is to be enlarged by increasing each side length by the same amount. The equation that calculates the increase in side length so that the volume is 10 times larger is?

a.) (x+1)(x+2)(x+3)=10
b.) (x-1)(x-2)(x-3)=10
c.) (x+1)(x+2)(x+3)=60
d.) (x-1)(x-2)(x-3)=60

2.) Given the graph of the exponential function below state the equation of the function in the form y=a(3)^x -k
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#1
Educator
8 years ago
1. The answer is C.

2. y = a(3)^x - k, substitute x = 1 and y = 2

2 = a(3)^1 - k
2 = 3a - k
.
.
.
Not sure what to do from here Frowning Face
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#2
8 years ago
You could also substitute zero for x and two for y, then find k that way Slight Smile
wrote...
#3
Educator
8 years ago
Quote from: psyche360 (8 years ago)
You could also substitute zero for x and two for y, then find k that way Slight Smile

Thanks for the idea
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