What is the pattern as the exponents decrease?
2 answers:
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*I'll be keeping the solutions in exact form*
So firstly, square root both sides. This will split the equation into two:
Next, add 1 on each side:
Next, divide 3 on both sides, and your answers will be
The cost of downloading the app and downloading 30 songs is $40.7
Step-by-step explanation:
The equation can be written using slope-intercept form
Let x be the number of songs
Then
$1.29 per song will be written as
1.29x
for x number of songs
The initial charges are $2 so the equation will be:
To find the cost of 30 songs, we have to put x= 30
So,
Hence,
The cost of downloading the app and downloading 30 songs is $40.7
Keywords: Functions, slope
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