<span>f(x) = 3 log2x
</span><span>y = 3 log2x
log2x =y/3
</span>
<span>
</span>
</span><span>y = 3 log2x
log2x =y/3
</span>
</span>
1 4 Joey enlarged a 3-inch by 5-inch photograph on a copy machine. He enlarged it four times. The table below shows
the area of the photograph after each enlargement
Enlargement
2 3
Area (square inches) 15 18.8 23.4 29.3 36.6
What is the average rate of change of the area from the original photograph to the fourth enlargement, to the
nearest tenth
1) 43
3) 5.4
2) 4.5
4) 6.0
Enlargement
2 3
Area (square inches) 15 18.8 23.4 29.3 36.6
What is the average rate of change of the area from the original photograph to the fourth enlargement, to the
nearest tenth
1) 43
3) 5.4
2) 4.5
4) 6.0
1 answer:
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So the first company charges $43 plus $9 per shirt. For x shirts, the cost is the base fee plus 9 times x, or
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The costs are VERY close, but the second company ultimately charges less.