The rule below shows how Mrs. Murphy's long-distance phone company computes her monthly bill. Which answer expresses that rule in the form of an equation?

Multiply the number of minutes Mrs. Murphy spent on long-distance calls by $0.42, the long-distance rate. Then add $24, the flat monthly charge.

A. f (t) = 4T * (0.42+24)

B. f (t) = $0.42=+t24

C. f (t) = $ (0.42t+24)

D. f (t) = $0.42 * (t+24)

Question

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Mathematics

24 September, 14:07

The rule below shows how Mrs. Murphy's long-distance phone company computes her monthly bill. Which answer expresses that rule in the form of an equation?

Multiply the number of minutes Mrs. Murphy spent on long-distance calls by $0.42, the long-distance rate. Then add $24, the flat monthly charge.

A. f (t) = 4T * (0.42+24)

B. f (t) = $0.42=+t24

C. f (t) = $ (0.42t+24)

D. f (t) = $0.42 * (t+24)

+1

Answers (1)

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Jason · Answer 1

Multiply the number of minutes Mrs. Murphy spent on long-distance calls by $0.42, the long-distance rate. Then add $24, the flat monthly charge.

C. f (t) = $ (0.42*t+24)