This year, Mr. Thomas will earn 15% more than he did last year. If he earned $50,000 last year, how much will he earn this year?
2 answers:
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Option C: (0,125) is the y - intercept.
Explanation:
The given function is
We need to determine the y - intercept.
<u>The value of y - intercept:</u>
The y - intercept is the value of y when x = 0
The y - intercept of the function can be determined by substituting x = 0 in the function.
Hence, let us substitute x = 0 in the function , we have,
Simplifying the terms, we get;
Thus, the value of y is 125.
Hence, the y - intercept is 125.
Therefore, the coordinates of the y - intercept are (0,125)
Hence, Option C is the correct answer.
Looks like the system is
We can eliminate by taking
so that , and
Substitute into this last equation and solve for
:
Then
Plug these values into any one of the original equation to solve for :
Hence the solution is x = 4, y = -3, and z = 2.