A
evaluate f(5) and f(2)
f(5) = 5m + b and f(2) = 2m + b, hence
f(5) - f(2) = 5m + b - 2m - b = 3m
the expression simplifies to
= 2 ( cross- multiply )
3m = 6 ( divide both sides by 3 )
m = 2 → A
Helen's mother runs the carpool. Her mother picks up 2 girls at each of 3 different stops. How many girls did Helen's mother pic
1 answer:
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Answer:
Step-by-step explanation:
Recall that . Using this, we can simplify and combine the two terms:
. Therefore, the terms may be combined.