The answer is f(2) = 20
How many brothers and sisters are there in a family in which each boy has as many sisters as brothers but each girl has twice as
1 answer:
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let's recall the vertical line test, if a vertical line hits the graph or points twice, then is NOT a function. Check the picture below.
Given:
The given phrase is 16 seconds faster than Aya’s time.
To find:
The algebraic expression for the given phrase.
Solution:
Let x be the Aya’s time.
16 seconds faster than Aya’s time. It means 16 seconds less than Aya’s time.
We know that a negative sign "-" is used for less than.
16 seconds less than Aya’s time =
16 seconds faster than Aya’s time =
Therefore, the required algebraic expression is .