Solve the Problem. -In a Certain City, the Cost of a Taxi Ride

question 110

Multiple Choice

Solve the problem.
-In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.40 as soon as you get in the taxi, to which a charge of $1.90 per mile is added. Find an equation that can be used to determine the cost,
C(x) , of an x-mile taxi ride.

• A) C(x) = 1.90 + 2.40x
• B) C(x) = 4.30x
• C) C(x) = 2.80x
• D) C(x) = 2.40 + 1.90x

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Definitions:

Nucleotide

A nucleotide is the structural unit that links together to form DNA (and RNA). Each nucleotide includes a sugar (like deoxyribose or ribose) and a base.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

RNA

Ribonucleic acid, a nucleic acid present in all living cells that acts as a messenger carrying instructions from DNA for controlling the synthesis of proteins.

Point Mutations

Genetic alterations caused by the change of a single nucleotide base in the DNA sequence.