When subtracted, what is the simplified form of (54 - 27i) - (39 + 5i)? Write the answer in standard form, a + bi, where a and b
are real numbers.
2 answers:
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Given:
The equation is
Where, y is earnings for working in dollars and cents and x is the number of working hours.
To find:
The rate of change.
Solution:
The slope intercept form of a linear function is
...(i)
Where, m is the slope and b is the y-intercept.
We have,
...(ii)
On comparing (i) and (ii), we get
Therefore, the rate of change is 21.2 dollar and cents per hour.