Question 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer
A taxi charges $4 at pickup plus $2 per kilometre. Write the cost function C(d) for a ride of d kilometres, and find the cost of a 9 km ride.
Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.
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