gonzalesnik
06.05.2020 •
Mathematics
Use the graph to estimate the value of x=2.5
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Ответ:
x = -2, x = 6
Step-by-step explanation:
The correct question is
Given the function f(x) = 3|x – 2| + 6, for what values of x is f(x) = 18?
we have
For f(x)=18
substitute the value of f(x) and solve for x
Subtract 6 both sides
Divide by 3 both sides
Solve the absolute value
First case (positive value)
Adds 2 both sides
Second case (negative value)
Multiply by -1 both sides
Adds 2 both sides
The solutions are x=-2, x=6