Every 3 days Marco fills up his car with gas. Every 8 days he washes his car. On what day will Marco fill his car with gas and w
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(a) The relation is a function because each value of x maps onto only one value of y.
(b) Domain is , range is
.
Given data:
The given expression is |x|+2=11.
The given expression can be written as,
Thus, the value of x is 9 or -9.