Answer:
pre-image also means domain
so the value of X is 5
so 5x = 5×5
the answer is 25
Arnold would be 51 years old
Let x = mileage
98 >= 35 + .21x
Solving for x:
98 >= 35 + .21x
63 >= .21x
300 >= x
.
This says that if the total mileage is 300 miles or less he will be within his budget.
Word form: one hundred one and six hundredths.
expanded form: 100+1+0.06
