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Using these variables, we can set up equations.
3x + 5y = 42
9x + 7y = 72
We have here a system of equations, where we have two or more equations with two or more different variables. We use the elimination method to solve for the variables.
Multiply eq1 by 3. Keep eq2.
9x + 15y = 126 eq1
9x + 7y = 72 eq2
Subtract eq2 from eq1 to eliminate the x terms.
8y = 54
y = 6.75
Answer: The inverse of the given function is
Step-by-step explanation: We are given to find the inverse of the following linear function :
The inverse of y = f(x) is written as
Substituting the above in equation (i), we get
Thus, the inverse of the given function is
Answer:
70 + 2 + 0.3 + (-30) + (-9) + (-0.1) = 70 + (-30) + 2 + (-9) + 0.3 + (-0.1)
Step-by-step explanation:
The answer will be D, -15, -5, 0, 10, 25