If f(x) = 7x+ 8, find f'(x).
2 answers:
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Given:
Nick has x toy race cars. This is one-third of what Bob has.
So, the number of Nick toys = one-third of what Bob has.
Let the Bob has y toys
So, we can write the following expression:
Solve for y, multiply both sides by (3):
So, the answer will be:
Bob has (3x) toy race cars.